Hydroponic halo ring
Mvalessi
Used to evenly water plants from a central location using a timer and a water pump.
Building an inexpensive mosquito net
Steffan Miliucci
Mosquito bed-netting represents the most inexpensive way of effectively eliminating mosquito bites while sleeping.
Filament Extruder
Nick D.
This extruder allows you to create cheap filament from ground/pelletized plastic
Piezoelectric Energy Harvesting Shoe
DomT
The goal is to construct a piezoelectric energy harvesting device that can generate enough energy to create a noticeable charge in a battery...
Rain water filter/bottler
Jack Hicks
This device collects rain water in a water bottle or any container that has standard bottle threads. It includes a purge container that coll...
Snap Together Snow Shovel
Brett Hulbert
This project consists of multiple components that can be assembled into a full scale snow shovel. Some commercial shovels are very expensive...
2 Liter Winnower
Medley Inc
Winnowing is a process to remove lighter particles of chaff, dirt, etc from grain and other products typically by throwing it into the air a...
HL016 - Kidney Tray (3DP)
Abi Bush
For medical wards to receive soiled dressings and other medical waste
SS005 - Flooring Bricks
Ben Britton
Melted waste plastic & aggregate as cement replacement
Can Opener
Amciesla
Can Opener
Hammer
Cjkmiec
This hammer is an appropriate OSAT because a hammer is one of the most basic and necessary tools to build a structure. A hammer like this wo...
HL003 - IV Bag Hook
Mark Mellors
For IV bags to be hung
Open source hoe
Goliath182
This tool can also dig out weeds in farms. Up until now options of very low cost hoes was very limited.
Adapted thermostatic valve for water pasteurization
Mjmcdonald
The task is to adapt a widely available thermostatic valve for use in the solar water pasteurizer.
WA014_13mm - BSP Thread 13mm
bqzero
DIN ISO 228 (DIN 259) BSP Standard Pipe Thread 13mm
Zero-electricity refrigerator
Irbeaudo
This zero-electricity fridge addresses the issue of people in third world countries not having electricity
Laurel Tree Charter School ovenly inferno
Ctnoonan
The purpose of this project is to create a low embedded energy, natural, beautiful way to cook pizza.
OSHE High Temperature 3D Printer
Alwoern
High Temperature 3D Printer
Pipe T-fitting
Nate.evink
Accessing clean water is still a struggle for many people throughout the world. In areas devastated by natural disasters, it can take years ...
Blind Person's Assistant
Aliaksei Petsiuk
The Blind Person's Assistant is based on ultrasound measurements. The sensor in bracelet measures distance in front of it in the range up to...
3-D printable photovoltaic module spacer
J.M.Pearce
RepRap 3-D printing has already been shown to be a versatile tool for fabricating novel photovoltaic racking designs, however, they can also...
PET Bottle Shredder
Kemyszka
These shredders allow the use of the cut PET to be used in things like crafts and possibly for printing purposes.
HL045 - Incubator Side Seal
Mohammed Azzam
Used to create a seal around the pipes that enter inside the chamber
WA012 - Water Truck Clamp
Brynmor John
Clamps over the hose on the outlet of a water distribution truck to create a seal
Momentum Fire Starter
Cascheel
With this tool and a skilled user, many fires could be started much quicker and the user would have no blisters. The scad file can be custom...
Improved Potato Ricer
Matthew K. Makarewicz
A potato ricer is used as a way to mash potatoes. It is a preferred methods of mashing potatoes. This tool can allow people to improve their...
Adjustable Heated Bed
Handychandra7
an adjustable heated bed that we could adjust to heat only the parts that we want to print on.
Load Carrier for labour
Dhwani
This project , has been designed to help such people. The load carrier is designed in such a way , that the weight of is evenly distributed ...
Alm Retractor
Robertarden
Printed surgical tools in low income countries
DS007 - Foldable Handrail
Aziz Wadi
To assist in bathing and toileting. Foldable rail is to be used if space is limited
14 Day Pill Dispenser
SammyKeller
A pill holder to hold daily pills for up to 14 days
Field Ready Design - Nebuliser
Fordahl
A nebuliser works by using compressed air to convert liquid medicine to an aerosol that can be inhaled by the patient.
SS011 - Privacy Screen
Brynmor John
To divde an open area creating privacy and personal space
WA010 - Straight Coupler
Tom van der Vaart
20.5/16.5 straight coupler used to join to pipes.
Mech-Jiwe
Julian Stirling
A mechanical tester which uses a welded frame, a number of 3D-printed parts, an Arduino, and a few other simple components. The tester is fo...
Fume Extractor
Bsadashi
Fume extractor is used in laboratories to extract harmful chemical fumes
HL041 - Incubator Gear Mechanism
Mohammed Azzam
Used to make the paper of ECG device fit inside the ECG
Field Ready Design - ECG Lead Holder
Remichae
This design was created in response to a design request submitted by Field Ready, a non-profit 501c3, that seeks to make field ready humanit...
Bike Chain Guard
Alyssa Knoester
It improves the safety of a bike for people who may not have access to a new bike or chain guard and is attached simply by string or a zip t...
Rainwater Catchment J Gnarly
Kyle basnett
Design and install a safe, easy to use and maintainable rain water catchment system.
HL030 - Otoscope
Abi Bush
For examining the external canal and tympanic membrane of the ear
3D Printable Cider Press
Marcello
The cider press is an older technology that has been used for ages to make juices from fruit. The cider press enabled people to move from ma...
Design of a low-cost household water treatment system
B. Dawney
The presented treatment unit serves as a means to reduce turbidity in water to be subsequently treated with solar water disinfection (SODIS)...
3-D Printing Solar Photovoltaic Racking in Developing World
J.M.Pearce
A customizable open-source PV racking concept is designed, prototyped for three types of modules, constructed into systems, and outdoor test...
HL044 - Incubator Door Holder (Small)
Mohammed Azzam
Used to fix the new baby incubator door
Bike Chain Tensioner
Spoonless
This chain tensioner can be used to address issues with chain hopping, chain slap, and rattles.
3-D printable solar charger
Reiners
This is a solar charger or an emergency light. It runs on a 6660 mAh battery.
Mobilization Wedge
Fgaiken
This is a mobilization wedge used by physical therapists to perform manual spinal mobilization techniques and other various exercises. The t...
Home biogas system (Philippine BioDigesters)
Anonymous1
The design of most biogas systems can be traced to either the China Fixed Dome (CFD) 6+ million in-use or the India Floating Cover (IFC) 2.9...
Backpack Snap-fit Clips
Rmputzig
This type of clip is found on a variety of items, most commonly backpacks, and work well. However, I have found that if you break one, it is...
Drip irrigation stake
Alex Kampf
The OSAT is Drip irrigation assembly combining the stake and drip emitter with tubing. The Drip Irrigation Stake fulfills the purpose of pro...
3D Printed Otoscope
Amwallis
An otoscope is simple device used in the diagnosis of ear, nose, and throat diseases. It is essentially a magnification lens with a light an...
Improved GPS Belt Clip
Jbloomed
The goal of this project was to improve on a previous design which targeted to make a GPS belt clip, this is specifically targeted at search...
Table Saw Fence Push Stick
JasonBell
This part solves the problem of making very thin cuts on a table saw in a safe way. All current push sticks or push blocks on the market do ...
A Hand Powered Hay and Leaf Baler
J.Arthur
Baling materials on such as hay, straw or leafs has many advantages as these bales are typically used to store excess materials or feed anim...
Open Source Salt Spray Chamber
Cleyton
The project has been expanded to convert all designs of the salt spay chamber to open source design.
Grout Trowel
Cryofixated
The first main taks and what this tool is made for is spreading grout for tiling.
Measuring cup
Tacopaul11
The openscad project is set to print a 1 cup measuring cup, but can be easily scaled to any practical size for cooking.
HL039 - Incubator Door Hinge
Mohammed Azzam
Used to fix the door
Flowmeter
Mayank Moon
Flowmeters are the devices that are used to measure the flow of liquid & gases that pass through them.
Gravity Light Attachment
Daniel Donovan
The need that this fulfills is to provide light to any area without the need for a power/electrical hookup, as well as possibly providing a ...
Bottle Cap LED Lighting
5sg12
The proposed design utilizes a recycled bottle and cap (with a cap diameter equal to or greater than that of a 2L pop bottle) as a portable,...
HL025 - Needle Destroyer
Sarah Wolman
A device used to safely dispose of needles
Seed Spreader / Salt Shaker
Kjkurtz
This design can fit any 2L bottle and can be scales down to fit other size bottles. This takes an old 2L pop bottle and turns it into a seed...
WA007 - 1/2" BSP Plug
Mark Mellors
Water tight seal for a 1/2" BSP fitting
CCAT cob protection and beautification
Leandra
The goal of the project was to implement a solution that would protect and beautify the cob installations at CCAT
Bicycle Brake Caliper
Afcowsky
Brake Calipers are an important component required to build a bicycle.
Garden water sprinkler
Shyam
This garden water sprinkler can be easily used to sprinkle water on a certain given region of garden by inserting a jet stream of water.
HL011 - Tweezers/Forceps  
Abi Bush
For handling sterile bandages/foreign object removal at health posts
Open Source Ultrasonic Whistle
Tmjohnst
Wolves are a problem with reindeer husbandry. This 3D-printed ultrasonic whistle is a cheap method to be used as a wolf preventative. As pro...
DS005 - Wheelchair Table  
Aziz Wadi
A table that attaches to the wheelchairs arms, providing a flat surface
GN009_Large - Customizable Peg
Fryns Ballerup
3D printed spike driven into the ground for holding a an object to the ground
ZACplus
Oliver Schlüter
Zink-Luft Brennstoffzelle plus Recycler
WA008 - Surprise Soap
Multiple (please see Manual)
Soap used to incentivize hand washing, featuring a plastic toy on the inside
HL013 - Wrist Brace (small)
Ram Thapa
For wearing around wrist for injury rehabilitation process in health posts
Open Source Plate Reader
Brian Chow
OSP is a low-cost open-source plate reader built out of the [Chow Lab](http://chowlab.seas.upenn.edu/) and the [George H. Stephenson Foundat...
Fishing Pole Rod Holder
Dmswanso
The fishing pole rod holder is OSAT as it allows a person that is fishing to set their fishing pole in the holder that sticks into the groun...
Recyclebot v5.0
141.219.102.164
The main goal of this project is to be able to make a robust, self correcting filament extruder to be used to work with any filament or recy...
Fuel Container Restraint
Trfranck
The corner restraint is a simple design that can be easily changed through it's FreeCAD file and it is designed to be printed without the us...
Walnut Cracker
Bsadashi
Dried nuts such as walnut are grown in countries like Brazil and India Predominantly. The farmers are usually small land owners with little ...
Commode
Blgregor
A disabled person can sit in these chairs normally, remove the seat to expose a bucket as a toilet, and dispose of excrement by removing the...
FBP The Full Bell
Bgj6
The objective of this project is to reduce the cost of the current Universal Peanut Sheller. The new peanut sheller will be used in West Afr...
Hemostats
Patrick Gilland
Hemostats are a medical alternative to clamps. They are especially useful when the user only has one hand available or access to something f...
OSAT project - Infantometer
Teshawar
Proper growth of infants and young children is paramount to the development of well-functioning adults. Hospitals in developing countries la...
DIF Adobe Senior Center
Avm7
The final goal of this project was to provide a refuge for homeless senior citizens within the compound of the Parras Desarollo Integral de ...
Use Li-ion Batteries Instead of Alkaline
Dlbrinks
Electric/electronic devices, designed to run on 3 volts (traditionally 2 AA, AAA, C, D alkaline batteries), are quite prolific around the wo...
DR001 - Rescue Airbag
Usamah Shamma
For first responders to remove large blocks of debris
HSU Bike powered washing machine
Anonymous1
The house already operating with a grey water system will be able to conserve water by controlling how much water is used and where it drain...
Mineral Sifter
Jcpaulse
The mineral sifter is an excellent example of OSAT. Sifters are a major time saver, especially in third world countries where simple applian...
Parametric elbow splint
Existential-Crisis
Arm injuries are a very common occurrence, especially with children and younger adults that are working in manual labor
Wild Berry Scoop Picker
Sswade
This berry picker is designed to fit onto gallon-sized milk jugs. The milk jug is used as the receptacle for the berries and as the handle.
Flock House Handcar Generator
Lukehalo
The objective is to create a human powered generator that produces energy in an entertaining and innovative way that may be operated by peop...
Flock House Hyper Visible Power Meter
Nam78
The objective is to design a power meter which displays two types of data: the status of the battery and the power generated by volunteers f...
OSAT Jump Rope Design
Aaron.cranford
This provides a cheap alternative for either single use or could be used to make a big jump rope for 3+ people at a time.
Ground collector
Finchers
This ground collector is based on the nut, golf ball, tennis ball, or fruit collectors that are on the market. Simply put, a rolling cage is...
Multimeter Negative Probe Holder
Fgaiken
This product is complete and it functions as a negative probe holder.
Tent Stake Pierson
Pgilly20
These technologies must be "appropriate technology" (AT) - meaning technology that is designed with special consideration to the environment...
Adjustabike
James Taylor
Adjustabike is the concept of an open source build your own bike kit. It is made of standard aluminium tubes and custom attachments you can ...
OSHE Growbot Motor Encoders
Zsarnold
This OSAT project was created to assist the senior capstone project for the Open Source Hardware Enterprise, OSHE Growbot. The parts designe...
Saline Water Filter
The Dean
The idea of evaporating sea water in order to turn it into freshwater has been around for centuries or more. The technology has been used on...
Arctic Cat Snowmobile Choke Lever
Tdernest
Snowmobile Choke
One Way Ratchet
Wedallma
The ratchet is a fairly common tool in today's world. A major advantage of a ratchet is that many tool attachments can be put on the ratchet...
OpenFlexure Delta Stage
Richard Bowman
A delta-bot stage based on the OpenFlexure design
Newspaper briquet maker
ABStilwell
The need was expressed for a device in which could turn waste newspaper and other light paper products into small burnable briquettes. This ...
HL040 - Incubator Door Lock (Small)
Mohammed Azzam
Used to lock the door
GN011 - IEC 309 Connector
Abi Bush
90 degree connector to hold IEC 309 plug socket 
Hand cultivator
Mmandres
This is an appropriate tool because it assists in making a better garden that will produce more crops.
Neck Immobilizer for Trauma
Cmphilo
This is meant to be used by EMT or other first responders for immobilizing a head and neck after major trauma, keeping the head steady durin...
Jefferson Community Center compost
75.111.41.73
The objective of this project is to build a compost system for the WCIA that will handle their green waste materials, as well as provide a n...
Horseshoes
Wrmulder
The goal is to provide any number of farmers, herders, or others access to custom, new horseshoes.
Dew collection roof retrofit
Plaxton.s
This work offers a primer to the topic of AWVPs, and a description of how to build a dew collection rig. Unfortunately, dewfall is not curre...
Leaf Press for Leaf Protein Concentrate
Sjwentwo
Leaf Protein Concentrate (LPC) is a protein rich substance similar to a curd or cottage cheese. LPC can be made from many varieties of leafs...
Modular PC104 Case
Azw
PC104 stacks are commonly used in automation and controls applications which could be a potentially hazardous environment for sensitive elec...
Open-source 3-D Platform for Low-cost Scientific Instrument Ecosystem
J.M.Pearce
The combination of open-source software and hardware provide technically feasible methods to create low-cost, highly-customized scientific r...
Minnow Trap
Charlesz
Minnow traps can be essential for collecting your own bait when none is available to purchase and are relatively inexpensive to purchase.
Car Heater-Vent Hanger
Erbenson
This is a device that clips into the heater vents for anyone who owns a car. For an example, this hanger can be used to dry out gloves or si...
Corn Crusher
Adhought
This device is supposed to replace the mortar & pestle by making it easier and less labor-intensive to grind corn into flour.
AutoInjector
Njmcgra
AutoInjectors are a spring-loaded device that aides in delivering the proper dosages of certain medicines. The have built-in adjusters to en...
Bike Pedals
Mitchell DeNooyer
This bike pedal is a good prototype for what the possibilities are for this project. This pedal is fully 3D printed and clips together aroun...
Kidney Tray
Jordan Null
Kidney Trays are used to hold surgical tools and keep them from being contaminated.
Club foot Brace for Infants
Blsavone
A 3D printable brace that can be used to treat children born with club foot. The brace is able to be adjusted in several different direction...
Wire Sensor Holder
Ejumlor
This project will help hold a wire that has an inductor on the end to sense a frequency induced wire that is burried under ground. It will b...
Limb Prosthetic
Acroche
This limb prosthetic could be used in areas where such would be hard to come by or too expensive to buy. It could also be used for someone w...
Bike Hub Pelton Turbine
Erik.Wachlin
This design is tough to make by hand, but is a lot more efficient than a water wheel.
Tool-Free Tile Leveling System
Swflynn
The goal of the system is to be easy to use, effective, low cost, and fully editable. If needed, the entire system can be customized for an ...
Ankle Brace Night Splint
Rgjones
An easy treatment in the earlier stages of the injury can be the use of ankle splints during sleep which helps lengthen the plantar fascia t...
Flash Light
Hjhunt
This is a much safer way to light dark areas then a gas lamp, which can start fires and releases harmful gasses.
Inside Corner Trowel
MatthewPollack
When money is hard to come by and other tools take priority, a tool that makes a corner at a 90 degree angle is usually not high on the list...
Open Source Fume Extractor
Tmjohnst
This project was intended to remove soldering fumes from the air.
CCAT interpretive wind turbine display
Nick
This project is designed to give a basic understanding to anyone who may be interested in the mechanics involved in converting the energy of...
Fecal Sample Collection Kit
Bubbad997
This device is used to collect a small fecal sample for testing. This can range from DNA testing to testing for disease. Fecal matter can te...
Seat
Aakruzel
A bike seat is a simple, but necessary part of a bike that holds most of the weight of the biker. In many developing countries, biking is th...
Banana Tree Fibre Female Hygienic Pads
Szimmerling
Absorbent properties of banana fibres. It is necessary to develop an inexpensive and sustainable product to allow these girls and women to h...
WA003 - Pipe Grip
Ben Savonen
Tightens interlocking threaded collars onto a a water input hose for a compressor
Cotton to yarn maker
Athachir
The yarn can be used as threads in the textile industry
CCAT papercrete clayslip demo wall
Myles
This brick footing serves to keep natural plasters and infill material from coming in direct contact with the ground
Pruning hook
Hdpowers
Pruning hooks are usually used to cut branches down from trees, but in Ghana pruning hooks are used to cut down cocoa pods from tall trees. ...
HL019 - Heat Shrunk Sharps Box
Maarten Smit
To dispose of sharp items
Non-electric Megaphone
Alan Freeman
This megaphone is OSAT appropriate because there are practical uses for such a device in developing countries. A few examples would be alert...
CCAT kitchen effluent particulate filter
Zhc2
The objective of this project is to assist CCAT by improving their greywater treatment system
Composite Materials Resin Mixing & Pouring Container
TimBassler
The design is made using OpenSCAD and is mostly parametric, allowing for adjustments in volume, wall thicknesses, and pouring hole sizes to ...
HL012 - Nebulizer T Fitting
Mark Mellors
This is a fitting to allow other gases to be mixed into a nebulizer supply
GN018 - Coolant Tank Cap
Tom van der Vaart
Replacement screw coolant cap for a truck (44.5mm ID)
microscope-incubation-box
HoldenLab
Microscope incubation box for home built single molecule microscope
Laser trip-wire shutoff
Kev Man
Laser Trip-wire shut-off for Delta Printer
HL006 - Otoscope Specula
Abi Bush
For examining the external canal and tympanic membrane of the ear
Open-Source 3D Printed Surgical Retractors
Chrissy Kaub
In many developing nations, there is a constant demand for medical supplies, which are not only sometimes small in quantity but are often ha...
Sprinkler Head
Mayank Moon
People spend hours in the scorching sun to make sure that they water there crop, and mostly done manually. By 3D printing the design mention...
DS010 - Wheelchair Cushion
Aziz Wadi
Provided additional storge and comfort
Semi-Permanent Stake
Jakerob
This Stake has been designed to serve as a semi-permanent connection between earth and man made shelter. current stakes work well but do not...
GN017 - Set Square
Tom van der Vaart
Provides a straightedge at a 90 or 45 angles to a baseline
WA005 - Hose Clamp
Tim Courtland
Attaches and seals a hose onto a fitting
Modular hand held arm with Backsaver grip attachment
Karan
With a modular setup, this device can be used as multiple tools in one. Main applications could be for people from third world countries whe...
DIF Adobe Senior Center 2007
La changa
The DIF wanted to construct a space for the viejitos of Parras who do not have families to be able to relax and enjoy a meal and the company...
WA001 - Hose Collar
Ben Savonen
Hose collar for output of a diesel water pump (3” OD) ) ,
CNC Router Lubrication and Chip Clearing
JBailey
The goal of this design is to allow a lubrication and chip clearing module addition to a CNC router. This system consists of an external uni...
HL023 - Switch handle for Medical Device
Abi Bush
Replacement plastic switch for medical device
Raspberry Pi Control and Wireless Interface
Tjmahan
The Raspberry Pi is an affordable computing solution, with the Raspberry Pi 3 Model B, power supply, and MicroSD card for OS costing a total...
CP003 - Play Pen
Brynmor John
Provides a safe area for a child to play
HL002 - Oxygen Supply Fitting
Mark Mellors
Adapter that connects oxygen supply tubing to standard oxygen systems
Rain Water Purification and Storage
Abhijeet
Rainwater harvesting is one of the efficient ways of utilizing rain water for household purposes. Many of the underdeveloped and developing ...
Welder Plug Cover
Djtauche
This cover is for a NEMA 6-50 plug.
Non-drive side crank
Zhinek
The project is a part of the bike, offered by Dr. John Gershenson.
Depth-adjustable Rope Pump
5gc17
The depth adjustable rope pump uses an adjustable pipe system to solve these problems. Using only one PVC pipe size to draw up water at any ...
GN021 - Wrench
Michael Cook
Generate your size wrench (parametric)
Electronic Stethoscope
Pnjensen
This stethoscope avoids that by using an electret microphone and audio amplifier to drive a pair of earbuds. This allows for high amplificat...
Framing Spacer
LoganBrunette
This segmented design is able to account for the variations in stud width (Metal Stud = 1.375 in., Wood 2x4 = 1.5 in.) and stud-center to st...
HL028 - Nebuliser fitting (barb)
Mark Mellors
Allows other gases to be mixed into a nebuliser supply
Kreg Jig
CalMcCarty
These jigs are used to make holes to join together pieces of wood in products such as tables, clocks, nightstands, or any fine finished wood...
WA006 - T Piece
Mark Mellors
Joins three flexible pipe (silicone/PVC with ID 4-7mm)
La Yuca small scale renewable energy 2012
Eric420
The objective of this project is to improve upon the previous summer’s project. The turbine design will be altered so that it may be more ef...
DS009 - Wheelchair Umbrella
Aziz Wadi
Protects occupant from sun light and rain
Pulleys
Lwilder
This OSAT is a heavy-duty rope pulley that can be used to raise water from a well [1]. This pulley can be customized to any desired size, an...
Integrated Smoke Alarm Delta Mod
https://www.appropedia.org/User:Michaelpatrick
This is an implementation of using a photoelectric smoke detector to trigger the reset pin on the Beaglebone Black Rev C being used on the M...
Mirco Lathe
FrankBeFay
This OSAT is a Micro Lathe. While in Beta, it is nearly parametric in order to scale to the supplies on hand, and can be altered to meet the...
Modular hand held arm with Backsaver grip attachment and Leaf Claws
Karan
With a modular setup, this device can be used as multiple tools in one. Main applications could be for people from third world countries whe...
Fork Support for Bike
Kprice
A fork support is inserted in between the fork of a bike to help hold the suspension rigid during transportation the bike.
Custom Built 3D Printable Motor
Jordan Null
People looking to purchase motors similar to the ones in the market
Pointer Trowel
Agbretz
The trowel is a simple design that can be easily changed through it's FreeCAD file and it is designed to be printed without the use of suppo...
Adjustable Bike Mirror
Njlante
This OSAT creates makes biking safer by providing a cheap, easy, adjustable way to mount a mirror to the handlebars of a bicycle.
HL001 - Umbilical Cord Clamp
Mark Mellors
Enclosure of umbilical cords of newborns to prevent sepsis
Concrete trowel
Ejmarsha
This trowel would help fulfill the needs of affordable tools for concrete and interior work on houses and buildings in developing countries....
Surgical retractors really complex
Ldgaines
Surgical retractors are used in order to hold tissue aside while surgery is performed on some underlying bodily structure. Depending on the ...
Bike Cargo Rack
Erik Bain
Since bicycles are used for transportation, a cargo rack is a helpful accessory for hauling goods or personal items. A 3D printable cargo ra...
Micro-turbine for water power
Wcvenis
This is a cross-flow turbine[1], basically a water wheel turned by stream to produce energy. This provides energy without the cost of fossil...
HL027 - Sharps Bottle Cap
Brynmor John
To dispose of sharp items
HL038 - Prosthetic hand
 Jose Alves da Silva
 3D printed prosthetic hand that did not require any fasteners or tools to assemble
La Yuca schoolroom renovation
DomT
The objective is to fix the ecoladrillo schoolroom by adding a new plaster to the walls, fixing the floor, and fixing the ventilation of the...
Car Charging Port
Jcsteupe
This product brings out these ports and makes it mindless to plug in cables while driving. Soon there will be options for a shelf as well.
Hand Drill
Mikehartl
This is a 3D printable hand drill which can be used to drill holes in any soft material such as wood. This design is based largly of old ant...
Modified cap for turning two-liter bottle into sharps disposal container
Cpwallen
Modified cap for turning two-liter bottle into sharps disposal container
3D Printable Goniometer
Houcke
Goniometers are simple devices used to measure the angular range of motion of human limbs. It is common for doctors to monitor the muscular ...
Fully Printable Wild Berry Scoop Picker
Tlfedor
The scoop allows the picker to keep a further distance from the bush, putting a barrier between them and any creatures living in the plants....
Straw Filter
Btrevett
This 3D printable straw filter should allow for cheaper and more readily available access to clean water at a lower price as most of the com...
GN008 - Pliers
Sam Programmer
3D printed hand tool used to hold objects firmly
3D-printed Lucky Iron Totems
Raclark
Lucky iron totems composition must be monitored to ensure that toxic levels of elements are not going to be absorbed by the food cooked in t...
Custom Shovel Handle
Kylar stern
This is a shovel handle to either replace broken ones, or add one in where the shovel/hoe/whatever tool has only the wooden handle. Grips su...
Ergonomic Ice Scraper
Turban11
This is an Ergonomic Ice Scraper. This is a very cheap alternative to buying expensive ice scrapers. It fits in your hand nicely and also wo...
CubeSat Attitude System Airbearing Test Bed
Lidsjmdundsr
Goal of this project is a design of a tool for attitude system testing for CubeSat class of satellites. It is based on the airbearing princi...
WA013 - Jerry Can Roller
Brynmor John
Transports 80 litres of drinking water
Raidlight Responsiv
Raidlight / Skis Rossignol SAS
Sac gilet Responsiv Raidlight
OttoDIY
Otto DIY Workshop
Otto is truly Opensource robot for education; it means the hardware is easily discerned so that others can make it, is also Arduino compatib...
Thermometer Jar Unicef Supply Catologue
Ztverran
UNICEF's supply catalogue is used to acquire commodities to respond to the needs of children and their families worldwide.
Hand Shovel
Zmalinow
The design of the shovel is to be very wide to improve scoping efficiency.
WA016 - Make-Fit Pipe Fitting
Tom van der Vaart
Using Make-Fit app a range of 3DP pipe fitting can be produced
Customizable shovel handle
BradleyLarson
Printing a shovel handle is an easy way to ensure you are getting what you need and my design will make sure it is also comfortable in your ...
OSAT 3D Printed Finger Splint
Rdreyes
This is a 3D printed finger splint used for immobilizing fingers to facilitate healing. Within the medical field, studies have been found th...
Hand Rotary Edger
Kkoparka
This OSAT project was a request and I was unable to find any attempts of a rotary edger in the current database. This model requires additio...
Poseidon - Open source bioinstrumentation
Lior Patcher
An easy-to-use, highly customizable, and open source syringe pump and microscope system.
Modular Coral Regrowth Post
Rtlester
The posts are of a modular design, and can be built up to allow for more coral to be placed on a single vertical post. The rods slide throug...
Field Ready Design - Nebuliser Connector
Mwcurtis
The reason this design challenge was created was to replace a poorly designed connector for an air hose on a nebuliser. The current fitting ...
Athena II Laser Engraver mod
Shubhamrjain
This Laser Engraver mod on the Athena II printer will allow you to engrave various designs on cardboard and/or wooden surfaces (acrylic mate...
Bike Chain
Mlfraser
This design can be printed to produce a bicycle chain to be used with a bike
Hori Hori Knife / Shovel
Ncurtis
The hori hori has uses in gardening such as weeding, cutting roots, transplanting, removing plants, sod cutting, and splitting perennials.
Garden Rip and Seed Tool
Dofabry
This project was originally intended for the developing world to aid in farming and rapid planting.
Locally manufactured thermostatic valve for water pasteurization
8rmf
A thermostatic valve for a solar water pasteurization device.
HL021 - Hose Barb Adapter/Manifold
papergeek
Paramedic design generates a barbed hose adapter for any ID tubing
Printable non-puncturing textile fastener
J.M.Pearce
This two piece device allows you to get a firm hold on any type of textile without puncturing them. The first part of the device, which we w...
Spoon Fork Knife
97.88.41.192
This OSAT is a Spoon Fork and Knife Combo. This is an appropriate utensil that gives the developing world the opportunity to no longer eat w...
Flock House EcoDermis
Teco9860
The Flock House project is a concept to provide a new form of housing for different migrating populations throughout the world.
Recycled Concentrated Solar Heater
Pierce Mayville
solar water heater
Make your own Honey Cow (Top Bar Bee Hive)
Anonymous1
The Honey Cow is designed to mimic nature as much as possible.
Modified Spork Design
Tomsmusts
The idea of combining a spoon with a fork has existed for years now. For certain situations, this innovation can be more efficient (for exam...
DS012 - Fixed handrail
Aziz Wadi
To assist in bathing and toileting
Ergonomic bike grips
Cjthormodson
This fulfills the need for a comfortable cheap alternative for current bike grips on the market. Below is a picture of the bike grips attach...
HL035 - Fetoscope (Electrical)
Michael Gathogo
A device used to obtain information about a fetus within the uterus
Electric Whisk
ASTrifaley
An electric hand-whisk is a handheld mechanism used for whisking, beating or stirring different liquids. It generates this whisking or mixin...
Arduino Voltage Amplifier
Andre Maia Chagas
a voltage amplifier based on LM741, run with 9V batteries and shaped as an Arduino Due shield
WA014_16mm - BSP Thread 16mm
bqzero
DIN ISO 228 (DIN 259) BSP Standard Pipe Thread 16mm
Update to Changeable Garden Tool Heads
Ldstetsk
A universal, ergonomic handle, and update two tools to interchange easily with a handle.
Community Comment Box
Mcbrand
This OSAT prototype is a community comment box where members can drop in comments that can not be removed other than by removing the lock fr...
HL042 - Incubator Door Lock (Large)
Mohammed Azzam
Used to lock the door
Simple Forestry Densiometer
Btswanso
This tool removes all guess work out of determining canopy cover, which is a very useful metric for foresters and construction companies loo...
Customizable Bike Light Mount
Dwsweene
These lights can be needlessly expensive, so I designed a customizable mount that can be used with any standard flashlight. This, paired wit...
Beekeeping Queen Rearing Kit
Stephen Krease
Beekeeping provides a source of food to the owner as well as a product which they can sell as a means of income.
Nut Cracker
McPippens
This nutcracker is fully made with a 3D printer. Designed for high volume processing of a variety of nuts.
Open Source Rope Pump Valve
Nick D.
Rope pumps are an incredibly easy and cost effective way of raising water to the surface. The main hindrance is the valves that go on the ro...
3D Printed Shoes
Sjhelmin
A lack of adequate footwear is more than a simple inconvenience or lack of comfort. Millions are infected or dying each year due to the spre...
Flock House Biopod
Sarah Morton
The objective of the main unit is to provide enough dehydrated food to significantly contribute to the sustenance of the two individuals who...
Athena Engraver mod
Sasank Potluri
Engraver mod on the Athena II printer allows you to engrave various designs on acrylic sheets, plexiglass, cardboard and/or wooden surfaces....
Talbot Type Water Tap
Eibauer
Talbot water taps are used extensively throughout the low income countries of the world. This type of tap is extremely useful for them, but ...
Electroplating holder
Vrontu
Electroplating on limited area on a sample requires means to prevent electrolyte contact or insulating material in the areas that are not be...
Monochromator
Ajrettig
A monochromator is a device which takes light and transmits it to into a narrow band of wavelengths. Using a form of mechanical filtering (d...
HL022 - Body Fat Calliper
Tom van der Vaart
To measure body fat
Open Source Monochromator
Robertarden
Monochromators are used in optics to isolate certain wavelengths from a light source made up of many wavelengths
OSAT 3D Printable Treadle Pump
Jdkizer
The treadle pump is a lift pump designed to irrigate small plots of land. Treadle pumps are designed to be operated by the farmer or hand in...
OSAT toilet paper holder
Jchamilt
This toilet paper holder is an appropriate technology because it allows people in developing countries to store and use their toilet paper c...
OSAT Bike Seat
Bpeticolas
This OSAT project is appropriate for countries where bikes are heavily relied on and cheap spare parts are helpful and necessary. In many co...
Drone Search and Rescue supplies attachment (DJI Phantom 3)
J.M.Pearce
This is a payload attachment for the DJI Phantom 3 quadcopter. Unlike other payload attachments, this does not require the removal of the ca...
Tent Vertex Joint
Jcismith
The purpose of this build was to make it easier and more convenient for individuals around the world to construct shelters with the resource...
Automated Plastic Grinder/Recycler
Jhbell
Affordable and strong plastic grinder
DS008 - Wheelchair Under Storage
Aziz Wadi
Storage unit is attached to the underside so items are easy accessable
Bow and Hand Drill Set
Jcvieau
The Bow and hand drill set will provide the ability of a knowledgeable individual to create fire with relative ease The simple design has wi...
Laurel Tree Charter School energy use visualization
Jwn69
Provide Laurel Tree Charter School with an energy monitoring system that shows energy consumption in a way that was both interesting and und...
Handlebar grips
Ab91
This part was built to meet the needs of one of our professors; Dr. Greshenson, that heads a bike Enterprise program at Michigan Tech.
Chicken Feeder/Waterer w/ adapter
Admitche
This is a baseplate for a poultry feeder and waterer, which a gallon jug would be used as the hopper. This solution provides safe, short-ter...
Las Malvinas botica popular ecoladrillo 2013
Bmr81
The objective for this project is to build a small local pharmacy (Botica Popular) for the people of Las Malvinas, which will provide basic ...
Honey Forge
Mjreich
Honey Forge for bees that are constantly losing their natural habitat.
Syringe Pump
Drew Portero
We created a large volume open source DIY syringe pump from commonly available and 3D printed parts that allows for high accuracy and repeat...
Acorn Sheller
Ejumlor
The goal of this project is create a safer way to smash and shell acorns
Actifield
Victor Kumbol
We’re building an equipment called an actimeter. At the simplest, the actimeter is used to measure and record the locomotor activity - how f...
E305 backyard biodigester
Cd102
The object of our project is to take organic waste including dog, cow, and horse excrement, as well as kitchen waste and recycle it. Methane...
Stethoscope (Monaural)
Jclafont
This design could fall under the 3rd "OSAT Sustainable Development Goal" for good health and well being. Strictly speaking, stethoscopes are...
Charcoal Pen
Mackspletch
This charcoal pen is useful in developing countries as some school supplies cannot be found and afforded in low class towns and villages
HL007 - Connector Nebulizer
Raphael Fanti
This piece is a connector for air tubes developed to fix a nebulizer problem
3-D printable open source dual axis gimbal system for optoelectronic measurements
J.M.Pearce
Simple 3-D printable open source hardware designs have proven to be effective scientific instruments at low costs. Further development in th...
Fish Cleaning Tool
T.Billman
This multi-functional tool is all that would be needed to quickly and effectively clean fish in order to increase the storage life.
Stethoscope
Bwbarker
This Stethoscope only requires some surgical tubing or similar airtight tubing and 3D printed parts.
Jefferson Community Center edible landscape
Stephcald
The objective of this project is to transform the landscape located at the front entrance of the Jefferson Community Center and Charter Scho...
Ankle Splint
Srschroc
This ankle brace is designed to be stronger and more versatile than other OS ankle braces available online. Most notably, this brace does no...
Chicken Feed Holder
Jgwamuri
Appropriate chicken feed holders can help keep feed isolated from being contaminated by feces and hence makes minimizes the outbreak of dise...
GPS Belt Clip
141.219.58.255
This GPS clip is an attempt to alleviate that issue by allowing a user to mount a GPS to a belt, backpack strap, or other webbing attachment...
Athena Dual Extrusion Single Hotend
Lmbrueck
This method however requires extra hardware and reduces the size of your build space. Also this method requires careful calibration of nozzl...
Fruit Picker
Jclawson
This project is made for people who wish to pick unreachable fruit from trees. Forcing fruit out of a tree causes it to bruise and spoil qui...
Medical Tweezers
Nakolean
Designed in response to a request for Medical Tweezers from Field Ready. This is a versatile design for Medical Tweezers as it's designed in...
HL034 - Centrifuge
Michael Gathogo
Replacement 3D printed centrifuge tube holders
Athena 24V Round Heated Bed
Klbarie
This project aimed to give the Athena Delta printer a sleek looking heated bed that took advantage of the printer's shape.
Pocket Wrench
Atballou
The pocket wrench is an excellent example of OSAT. Wrenches are a universal necessity, especially in third world countries where buying some...
FBP Hot Dang Plastic Encasement
Anonymous1
This simple device not only saves hours of painstaking labor, but also increases the viability of the nut as a cash crop.
Ice Scraper
Drhannah
Its purpose is to be able to scrape ice off of objects that have the ability to accumulate ice. In order to increase usability, the scraper ...
Umbilical Cord Clamp
Jayantchalke
This OpenSource Appropriate Technology used in Manufacturing Umbilical Cord Clamp is one such step in providing a relatively cheap and quick...
Sailing cam cleat
Thomas Korejsza
This OSAT design is an economical alternative for a cam cleat. Basic cam cleat designs are utilized for many functions. They are typically u...
HL017 - Bottle Cap Sharps
Tom van der Vaart
To dispose of sharp items
Picohydro generator
Francesca
The generator requires a laminated steel core to which strong magnets are attached. Cutting out laminates for the generator core by hand tak...
HL020 - Dental Chair Lever
Abi Bush
Replacement lever that compresses the lowering mechanism on dental chair
Rain chain
Hpgetsch
The rain chain directs the water down the chain from the spout and can be collected into a bucket or place where a puddle is okay to form. T...
Sample Rotator Mixer
Karan
This Open Source 3D sample rotator accepts a variety of tube sizes and mixes them horizontally, vertically, or any position in between. Chan...
OSAT 3D Printed Hand Pump
Yanibeeker
The 3-D Printed Hand Pump is an OSAT that allows liquid to be pumped from a reservoir to a container. Hand pumps are needed in across the gl...
Open Source Pellet Extruder Tool Head for a Desktop 3D Printer
Jafranz
This tool head once complete will be the first Lulzbot compatible FPF-style extruder assembly.
Safety Switch Cover
Limitless285
This object was created using FreeCAD for the use of the Principia College Science Department. Its initial use is for their optics lab. One ...
Pinhole Bifocal Eyeglasses
Typ0
To allow people in poverty to have decent eyesight, thus able to read, learn, travel and work better.
Scrub Brush
Pierce Mayville
This is a scrub brush for cleaning what ever it is that needs a little elbow grease. It costs a fraction of commercially available scrub bru...
7up
Yanguo
Bicycle part
Bike Handlebar Plug
KirillKudaev
A customizable Bike Handlebar Plug designed using OpenSCAD.
Redwood Coast Montessori climbing wall
Gridiron
The purpose of this project is to replace the current play structure at the Redwood Coast Montessori School (RCMS) and the Manila Community ...
CCAT CCATBox
Dcolvin
The purpose of project CCATBox was to design a composting toilet system to be used at CCAT in order to save water and recycle the nutrients ...
OpenFlexure Block Stage
Richard Bowman
This project is a 3D printable design that enables very fine (sub-micron) mechanical positioning of a small moving stage, with surprisingly ...
Free-Libre Hardware RFID handheld device
Capiscuas
A contactless smartcard solution using Mifare Classic card.
Open sustainability
Forest.andresen
This is the creation of a utensil that can be easily printed by a 3D printer anywhere around the world. Our wish at project spork is to enab...
GN019 - Clothes Peg
Tom van der Vaart
To secure clothing to washing line
Carriage-Connecting Rod Sound Dampener.
Rgjones
This page lays out the steps required to convert your current Delta Athena II printer to reduce the rattling of the connecting rods during p...
Hyperspectral scanner for natural imaging above and under water
Noora Nevala
Here, we designed and implemented a fully open source and low-cost hyperspectral scanner based on a commercial spectrometer coupled to custo...
Variable Sifter
Ampringl
This OSAT project is meant to provide utility in sifting for a variety of applications.
3d printable prosthetic foot
Lloxner
This 3D printable prosthetic foot design was built to help reach out to those in need of a foot. Prosthetics have been around for a long tim...
Recyclebot Cooling Fan Section
Alwoern
This project is an upgrade on the current Recyclebot v5 cooling section. The previous design uses a top-down approach at cooling off the fil...
HL036 - Fetoscope (Wooden)
Michael Gathogo
A device used to obtain information about a fetus within the uterus
HL014 - Wrist Brace (Large)
Abi Bush
For wearing around wrist for injury rehabilitation process in health posts
Water bottle filter
Btjoseph
This printable design requires some filament (preferable ABS), a tea bag, and activated carbon to create. This allows the user to drink filt...
OSAT-Protractor
Jacob.huss
First, this will be useful in education, where protractors can be used to help teach geometric concepts. Additionally, they can be used in c...
HL018 - Vacuum Suction Pump Connector
Ram Thapa
Spare part for electrically or foot operated suction used in medical wards
Dust Mask
Hschabes
It allows people to create their own dust masks to fit the correct size (by scaling up or down), and it uses more readily available material...
Hands-Free Crutch
JLaureto
This Open Source Appropriate Technology (OSAT) aims to decrease the overall cost of a standard crutch and to enter the specialized market.
HL008 - Electro Cardiology Limb Lead
Abi Bush
Attaches sensors to patient’s ankle/wrist to give visual trace of the heart
GN010 - Cable Junction Enclosure  
Mike Mattala
To hide and provide protection for cable junctions
Bulb/Seed Planter
Zodvorak
The idea of this OSAT is a small, easily producible, hand sized, bulb and seed planter. The current opening fits groupings of seeds or a sma...
Water Dew Collector
Shaunakmhatre
There are water droplets accumulated on the top of that surface. This is usually seen when a cold water is kept in a glass or early morning ...
GN020 - Fastener Set
Mike Mattala
Generate your own nuts, bolts, washers and threaded rod
Open Source Bike Brake
Behereau
This project is an attempt to create a simple bicycle brake for the open source community. This brake relies on minimal hardware and uses sc...
Bike rack
Sjhelmin
Rear Bike rack
Snap together shovel
Cleyton
This shovel was designed to be a tool that can be fully modulated for the users current needs and environment. Shovels are used everywhere a...
CCAT kid bike power
Dana Martin
This display will be hands-on where a child can use their own power to operate an electronic device. The importance of this project is to pl...
Electric Mountain Board
Gem30
Electric Mountain Board
Forceps/Tweezers
Pdspillm
A simple item often needed is a pair of tweezers – used for a range of purposes, from removing foreign bodies to handling sterile bandages. ...
Basic Tent Stake
TheRealSlimShady
A simple tent stake. Tent stakes are something used all over the world. They could be used to pitch a tent on a camping trip or to secure a ...
Butterfly Handlebars for bike
J.M.Pearce
This is a butterfly bicycle handlebars designed to fit 25.4 mm clamp.
Flock House Geared-Up From the Feet-Up
74.194.95.244
The “Flock Pods” are intended to be renewable homesteads. Most food and energy needs will be generated through the “Flock Pods” internal sys...
Seed sowing tool (3D printed)
Ngtanike
This equipment can be used to sow seeds with relative ease, compared to hand sowing. This product was designed for minimum number of parts a...
Caliper
Amherbst
Calipers are a useful tool because they provide a bit more accuracy than a standard ruler.
Openspritzer - an open hardware pressure ejection system for reliably delivering picolitre volumes.
Maxime Zimmermann
Designed for ease of use, robustness and low-cost, the “Openspritzer” is an open hardware “Picospritzer” as routinely used in biological lab...
EE005 - Weather station connector
Tom van der Vaart
Spare connector for a weather station
Yamaha Quick Fastener
Zmchenie
This device qualifies as an OSAT Project because it was a request made by someone who needed snowmobile parts. This device is a fraction of ...
Reindeer Snaffle
Bllafata
Snaffles, or more commonly referred to bits, are the metal pieces that riders use to give commands to their mount. For this particular page,...
WA004 - 2” Tri-Clamp
Mark Mellors
Joins flanged pipe (not pressurized)
Dual Tone Air Raid/Security Siren
Pjgoreck
This is a 3D printed Security Siren that could be used in low income areas where theft or other problems are an issue. The purpose of the si...
DS011 - Latrine Rails
Brynmor John
To aid in safe and easy transfers between wheelchair and latrine
Peanut Mill
Hannah Stoll
This hand powered machine is a food processing tool that will grind peanuts down so they can be made into peanut butter. There aren't many 3...
Dental Chair
J.M.Pearce
Dental Chair
Athena Heated Print Bed
Lmbrueck
AS heated print bed also has the advantage of being able to use a surface like PEI (polyetherimide) to print onto.
FBP LC Sheller
ScottH
The Full Belly Project is an organization which creates low cost, simple technological solutions to be implemented in developing countries. ...
GN012 - ¼" BSP Male Airline Connector
Dean Stalker
Connects a ¼" BSP female thread to a female quick release
Open Source 3D printed water pump
Lmbrueck
In much of the developing world it is very common to collect water in a bucket this water is then used for around the house needs. Having th...
WA014_20mm - BSP Thread 20mm
bqzero
DIN ISO 228 (DIN 259) BSP Standard Pipe Thread 20mm
Pharmaceutical Bottle Caps
Apboerma
This is a parametric FreeCAD model that can be adapted to a variety of threaded or unthreaded pharmaceutical pill/medication bottles.
Potato Ricer
Caaukee
This design is a 3D printed potato ricer. Potato ricers work by extruding cooked potato (or possibly other starch rich foods) through small ...
Updated Forestry Densiometer (Smartphone Capable)
Rsimpson
Densiometers are simple tools used by foresters all over the world to roughly estimate the amount of foliage coverage in a certain area of t...
Cassava Press
Bchaupt
The cassava press designed as a piece of open source hardware is a small scale press that could be used in a household, or for personal use ...
Bike Thru Axle
Jnbart
Make bike transportation more accessible and to decrease the cost and increase the ability to repair a bike that has a broken axle
LightM
Alexander Kutschera
Here we work on the development of software tools and a low-cost open hardware setup to study how bacteria move.
WA014_11mm - BSP Thread 11mm
bqzero
DIN ISO 228 (DIN 259) BSP Standard Pipe Thread 11mm
Bamboo Joints for house
ASTrifaley
This is a Bamboo Joint model that can be used in building bamboo houses, rooms or any sort of suspended pavilions.
Fish Hook Extractor
Emheld
It allows fisherman to spend their time more efficiently, fish for longer periods of time, catch more fish, use fewer hooks, and cut down on...
NYC-MTA-Next-Train
Michael Weinberg
A raspberry pi-powered display for tracking NYC subway trains
La Yuca rainwater 2014
Jacob Burns
Our objective for the water project for the 2014 Practivistas Dominicana Program in La Yuca is to replace the flat piping system, used to ca...
Chicken Tractor (Optimized Construction and Design)
P.Diakow
Chicken tractors are commonly used all over the world as mobile chicken coops, however they have not been given much engineering attention. ...
Weighing scales/mass balance
Mnveldt
A simple Roberval measuring scale design that can be adjusted to support different weight multiples. By design, the exact positioning of the...
Actually Functional 2 Wafer Dipper for Schott Duran 250 ml beaker
Toffe
This 2 inch wafer dipper is designed to fit into a 250 ml Schott Duran beaker. Number of wafers that can be fitted are automatically calcula...
HL005 - Finger Brace
Abi Bush
In order to keep a injured index finger immobile
SS001 - Shipping Container Model
Mark Mellors
1:150 scale model of 20ft container for assessing the design or layout of a facility
HL010 - Ventilator Connector
Abi Bush
Connector for ventilator
Manual Centrifuge Apparatus
Salils.1807
Manual Centrifuge Apparatus is a scientific equipment which is widely used in chemical and clinical labs all around the world. This apparatu...
Starter Handle
AustinHowland
The snowmobile pull starter handle is appropriate for OSAT due to some peoples ability to access various snowmobile parts around the world. ...
HL026 - Fluid Warmer
Marjolein v.d.Male
Ensures blood entering the body is at the correct temp to prevent hypothermia
Field Dressing Tool
Zedubiel
The OSAT field dressing tool allows the user to cut only what is needed in a safe manner. So with this tool the user can field dress an anim...
Micro-Turbines for Water Power
Ejhunt
This is a cross-flow turbine[1], essentially a water wheel turned by naturally flowing water to produce energy. Unlike a dam, or a mill whee...
Lightweight Wrenches
Jcmayros
These wrenches are easy to carry, relatively durable, and much cheaper than conventional options. They can be made with locally available ma...
3D Print Speculum
Nsplahn
3D printed parts are able to be rapidly produced at low cost making them ideal for disposable medical equipment. In areas where advanced med...
Parametric Vertical Storage
Cmvancam
This device is meant to help 3rd world countries who do not have access to small containers. This device could be used to protect from anima...
Ultimate Snow Scraper
StowieJ
This project aims to fill the need for a small item that can be placed in a car, which serves the purpose of clearing snow and large ice fro...
Improved PET Bottle Stripper
Klbarie
This Bottle Stripper turns PET bottles into long strips that can be used to weave baskets, use as fishing line, use as a type of rope, or po...
Pipette Carousel
Smwurst
This Open Source Appropriate Technology (OSAT) fulfills a request for pipette accessories on the "Requests for 3-D printable open source app...
Laurel Tree Charter School onderdonk's box
Atw22
The objective of the Current Specialists was to design, build and implement a learning apparatus to teach the difference between series and ...
Laser Trip-wire shut-off for Delta Printer
Pratiksha
Laser Trip-wire shut-off for Delta Printer
Tools To Measure Children's Height
Kmwendt
This OSAT allows for children's heights to be accurately measured in any environment. Traditional stadiometers are expensive, costing around...
Heliostat or Sun Tracker
Print Design
This project is designed so that it could be used for tracking the sun light and convert it to electrical power using the solar panel. I hav...
Low force snaps for easy assembly/dis-assembly of mating parts
Jcgerdt
This snap system can be ultered to be size appropriate for the job it is needed for. This design is based off of a sew in style, has holes t...
Improved Hammer
Jawerthm
For the purpose of being an open source appropriate technology, I have identified a few areas the concept of a 3D printable hammer can be im...
Surgical Retractor Complex
Tajubenv
This design seeks to address the high cost and many variations of complex surgical retractors used today. This design is intended to serve a...
HL004_Large - Scalpel Truss Handle
hunterfrerich
Holds a standard scalpel bladed
Hand Wood Planer
Kmmessin
The hand wood planer is designed for making medium to detailed design cuts on wood.
PR002 - Whistle
Daniel Hughes
Personal alarm for protection and creates attention in emergency situations
Hanging Garden that Minimizes Water Use
Oacreame
The purpose of this design is to allow people to grow fruits, vegetables, and herbs close to their home with minimal space and water usage. ...
HL004_Small - Scalpel Truss Handle
hunterfrerich
Holds a standard scalpel bladed
Redwood Coast Montessori chicken coop
Jme241
The Chicken Coop project's objective was to house and protect poulty that may be owned by the school.
Crawler Harness Holder
Charlesz
Crawler Harnesses can be cumbersome to keep in your tackle box without a holder and more often than not, if you're walleye fishing, you have...
Direct drive extrusion hot end for flexible materials
Molson
The current setup on the Athena II printer is not suited for flexible materials like ninja flex. Due to the bowndeth sheath setup we mostly ...
Smart Phone Adaptive Otoscope
Ejweiden
An otoscope is a medical instrument or device used to examine of the eardrum and the passage of the outer ear, which can be dificult to see ...
Aquaponics System
Mark Hansen
The idea behind this prototype is that you can buy a singular block and then scale the layout later. This design for a scalable aquaponics s...
Umbilical Cord Clip
Nicolas Winkler
This clip can easily be printed and used for a new born baby. Most clips use a latch to keep shut, by realizing that you can slide an umbili...
Dial Indicator
Devon Smith
This is useful for any kind of precise measurement of thickness, depth, width, and can even be used to ensure a machining device or tool is ...
Urine Diverter for Composting Toilet
Will Omberg
This reduces the smell and pathogens that are present in the toilet. Excess moisture in the toilet creates an anaerobic environment which pr...
Powder maker - Chilies and herbs
Salils.1807
Powder maker - Chillies and Herbs
Wood Planer
Mrhelmke
Planes are tools which are used to shape wood by removing thin uniform strips of wood. There are many types of planes, as a start this is a ...
Low Profile Projector Ceiling Mount
David Eychaner
Low profile bracket that had a small shelf to manage the power supply, 4 through holes for attaching it to the ceiling, as well as a counter...
Mattole Community Center rainwater catchment
Hsugreen
This project is for greywater usage and may not meet clean drinking water standards. (not potable water)
Contoured Spigot for 5-gallon buckets
Twfuller
Spigots manufactured for self-attachment typically rely on large gaskets to maintain a seal, which works with varying success on the curved ...
3-D Printable Digital Balance
Brhubbar
This OSAT is a digital mass balance with two outputs: Digital output for data logging capabilities, and an LCD display.
Laurel Tree Charter School human powered blender
Gcs118
The human powered blender is a device intended to be used by students in grades K-12 at Laurel Tree Charter School in Arcata, California. Th...
Incubator
Thomas Hervé Mboa
We built an open source Incubator for biology lab in Cameroon; since most of them are under-equipped due to the high cost of lab equipment. ...
Chris's ENGR305 Solar Food Dehydrator
ChristopherS
Food dehydration is both a desirable and appropriate technology for many reasons which include increasing the shelf-life of food without hav...
DIY Solar Panel
Svanruiten
a solar panel that produces enough energy to charge a smaller battery or a device
CubeFactory2
Bernd Muschard
The CubeFactory 2 is an autonomous and portable mini factory with own energy and material supply. It embeds three modules: a 3D-printer, a p...
Thumb Spike
Travis W.
This thumb splint for broken or sprained thumbs was designed to be an durable but affordable parametric brace. The design prints in two flat...
Fermento
fakufaku
An open-source incubator for fun and profit.
OpenFlexure Microscope
Richard Bowman
The OpenFlexure Microscope is a 3D printable microscope, including a precise mechanical stage to move the sample and focus the optics. The...
OSAT Bike Pedal
155.106.128.123
The pedal is intended as usable substitute for a factory bike pedal, though not totally equivalent.
HL009 - Infant Warmer Corner Piece
Mark Mellors
Replacement part for an Air-shields infant warmer model IICS
Screw driver
Brhutchi
With this design I always see screw drivers being made, however I wanted a simple design of a screw driver but also allowing me to store bit...
MY4777 Athena Printer Modifications by Cikaub
Cikaub
Heated bed that still allows for the addition of extuder fans and secondary hotends.
OSAT Wind Turbine
Lssouthe
A Wind turbine bade
OSHE Growbot Mounting Units
Ajvincen
This project is for the Growbot project by the Open Source Hardware Enterprise at Michigan Tech. The Growbot aims to provide an open source ...
Clamps with gearing system
Djchopp
A clamp is used in many stages of manufacturing and assembly. Holding things in place during these processes will yield higher quality parts...
3-D printing open-source click-MUAC bands for identification of malnutrition
J.M.Pearce
An effective method for the diagnosis of severe acute malnutrition is the measurement of the middle upper arm circumference (MUAC).
DS006 - Wheelchair Cup Holder
Aziz Wadi
A holder that attaches to the wheelchairs arms, providing a storge for a cup
Bee Feeder
Thebcm27
Feed bees with our very own sugar water bee feeder
Garden Hose Splitter
C0nrad
This OSAT is a garden hose splitter that can be used to split water streams from a common garden hose nozel. This splitter can be customized...
EE004 - Battery terminal wire clamp
Tom van der Vaart
Plastic clamps to safely clamp wires to car battery terminals
Seed Drill Punch
Jmbrooki
In the most basic form, a seed drill is a device that will position seeds in soil, without waste. This idea was an improvement over sowing s...
Bucket Shower
Ntmoegge
Countries that are not as developed as the United States and others have access to very little running water, if any at all. This means that...
Spikeling - A hardware implementation of the Izhikevich model of a spiking neuron.
Tom Baden
Understanding of how neurons encode and compute information is fundamental to our study of the brain, but opportunities for hands-on experie...
Stethoscope upgrade
Kev Man
Having 3D printed medical diagnostic equipment could give underprivileged areas cheap and easy access to much needed tools, while also letti...
Bicycle Hub
Dport535
This model uses loose ball bearings which are not as ideal as sealed cartridge bearings when used with PLA.
3-D Printable Speaker Demo
Brhubbar
This page contains the instructions and files necessary to 3D-print a loudspeaker.
GN009_Small - Customizable Peg
Fryns Ballerup
3D printed spike driven into the ground for holding a an object to the ground
Micro Lathe
FrankBeFay
This OSAT is a Micro Lathe. It uses an open source three jaw, self centering chuck, which can be found here. The frame, while in Beta, is ne...
SS003 - House Model  #1
Abi Bush
3DP house model - For assessing flood response housing sizes and layout (Malawi thatch house)
Hand Washing Station
Tjmarvin
With a portable easy to use unit that uses a limited amount of water to be able to have in a village or house in a place with out access to ...
Spoon Multi-tool
Takrapek
This is a Spoon multi-tool that was built using open-source technology. It is appropriate because it takes something relatively important an...
DR002 - Duoband Yagi Antenna
Abi Bush
3D printed bespoke parts to construct standard antenna design
Toilet Paper Holder
Jdmajors
This is a helpful OSAT project because it will help anyone in the developing world keep any toilet paper off the ground where it could poten...
HL024 - ¾” BSP to ½” BSP Adapter
Mark Mellors
Threaded adapter connects ¾” & ½” BSP threads
Bowfishing Rest
T peters
The doughnut shaped design will not allow the arrow to leave the rest while the bow is positioned in any shooting angle, the parts are stout...
Spoke wrench
Prstlouis
The spoke wrench is used to loosen and tighten spokes on bike wheels when trying to true a wheel.
DS003 - Wheelchair Sliding Board
Aziz Wadi
To aid in safe and easy transfers between wheelchair, bed or chair
OSAT 3D Printed Gravity Light
Josh Mucinski
This project was to replicate the already produced gravity light into the 3D Printed and open source world.
Ethanol from organic sugar beets versus refined cane sugar
Ajs83
The purpose of my project is to determine the cost inputs and energy outputs of small scale ethanol production from local and conventional s...
Fruit crusher
Haley alexis
This fruit crusher project is designed for less developed countries that do not have access to the technology that other countries have
Compost Toilet Hinge
Tazmanian60
Toilet seats and hinges are an overlooked item in the modern world. A proper seat and hinge provides support for when nature calls. This ite...
Measuring DC electrical energy production from micro-renewables
TrystanLea
Energy monitoring electronics
Modular Peg Board
Bastallw
The modular pegboard is designed to replace more costly methods of tool storage. I chose to create a customizable pegboard due to the large ...
Charcoal Holder Pen
Ebumba
The pen will keep the canvas that they are using free from excess smudges where the charcoal would have made their hands messy. Having the c...
Changeable Garden Tool Heads
Sklunsfo
This set reduces the cost of such tools not only by using cheap material, but also because it is only necessary to have one handle as the di...
PR001 - Door Locks
Brynmor John
An easy to use portable lock, no tools needed
FlyPi - A 3D-printable open-source platform for fluorescence microscopy, optogenetics, and accurate temperature control during behaviour of zebrafish, Drosophila, and Caenorhabditis elegans
Andre Maia Chagas
"Flypi" is a 3D printable all in one biology lab that can be used for state of the art experiments in neurosciences as well as for human int...
Open Visual Stimulator
Andre Maia Chagas
The open visual stimulator is a projector system that can take up to six different leds with any chosen wavelength and project images, video...
Black Mamba Bike pedal
Rnmcfarl
The overall goal of this project is to make open source models of as many bicycle parts as possible.
Water bottle stripper
Bloody Scoundrel
This design is potentially very useful in developing countries because water bottle waste is something that is plentiful throughout the worl...
Ram Pump
Nkbuday
This pump is designed to allow someone in an area with hills with a water source far away. The ram pump does have a lot of waste water compa...
SS004 - House Model  #2
Abi Bush
Lasercut house model - For imporved earthquake resistance (Build change house)
Open-Source Photometric System for Enzymatic Nitrate Quantification
J.M.Pearce
Nitrate, the most oxidized form of nitrogen, is regulated to protect people and animals from harmful levels as there is a large over abundan...
Homemade Wheel Hoe
AnrchyAcres
Wheel hoes are fantastic labor savors in larger gardens and organic farming.
HL043 - Incubator Screw Handle
Mohammed Azzam
Used to lock the bar of the Injury shoulder recovery Tools
OpenFlexure Simple Illumination
Julian Stirling
Simple illumination for the OpenFlexure microscope. This is simply a mounted LED and resistor.
Improved 3D Printed Bike Grips
Swallen
This bike handle is designed to be 3d-printed. It has been tested using standard PLA, but should work with any other standard printing mater...
La Yuca rainwater catchment 2012
Cheyenne Celada
The objective of this project is to provide inexpensive potable water and water for cleaning to the local school in La Yuca, Santo Domingo b...
Test Tube Photometer
Alexander Kutschera
It consists of modular test tube holding chambers, each with a low power monochromatic light-emitting diode, and a monolithic photodiode. A ...
NU006 - Bottle to hose connector
Tom van der Vaart
Adapter for connecting a PET bottle to a hose (drip irrigation system)
Brake calliper of blackmamba bicycle
Rivu
The objective of the project is to 3D print as many parts possible of this bicycle which is very commonly used in the third world countries ...
Hinges
D4r3llo5
Hinges
Raspberry Pi Camera Calibration Jig
Richard Bowman
A 3D-printed jig to uniformly illuminate the Raspberry Pi camera module's sensor, for the purpose of calibrating its response to different c...
WA002 - Water Cap
Ben Savonen
Threaded cap for output of a diesel water pump (1" OD)
Drop Spindle for Spinning Wool into Yarn
Amsteele
The Drop Spindle is an ancient tool used for spinning fibers such as wool, cotton, flax, and hemp into yarn, without the need for a large, e...
Parametric quick release buckles
Amcmichael
Buckles are very useful and found on a wide variety of items; however, if one breaks, it is hard to find a cheap replacement. Since buckle s...
Manual Rotating Pea Sheller
Nbalavich
Pea picking is a common practice across the United States and around the world. People grab their family's and head out to the field to coll...
HL015 - Fetoscope (3DP)
Abi Bush
A device used to obtain information about a fetus within the uterus
Universal handguards
Wes Gratz
5Hand guards are often used in snowmobiling to protect the hands against wind, snow, and tree branches.
Gyro mini nutating mixer
Dhwani
it is an ideal for mixing samples in blood and centrifuge tubes.
1/2 Drive Speed Brace
Kerautio
The purpose of this tool is to quickly remove fasteners after they have been broken loose using a breaker bar or ratchet. This tool is meant...
HL029 - OPA (Oropharyngeal Airway)
Mark Mellors
This is a medical device used to maintain or open a patient's airway.
CP002 - Baby Crib
Brynmor John
Provides a safe area for a baby to sleep
Chujio la maji la gharama nafuu
Kili
Makala hii inahusika na uundaji wa mfumo wa kuchuja maji wa gharama nafuu sana. Uchujaji maji unaweza kufanyika kama kuna njia chache ama ha...
Water bottle to sippy cup converter cap
Megandersen
water bottle cap modified to turn any water bottle into a sippy cup
Micro water turbine
Cmgietek
This micro water turbine can be paired with a DC generator for power generation applications. The micro design allows for the turbine to be ...
CCAT Raised Garden Beds
Chelsea
By building garden beds and growing within a controlled environment will make the plants grow healthier and also will prevent toxic chemical...
HL032 - Height Measure Board
Abi Bush/Kin Ly
A wooden contruction to measure the height of the child
HL037 - Kidney Tray (Vac Form)
Michael Gathogo
For medical wards to receive soiled dressings and other medical waste
3D Printed Bike Seat
WayneHelminen
Small Bike seat and seat post that can be used to replace an original bike seat. I believe this could be beneficial to people that don't hav...
EE001 - Clean Cookstove Knob
Abi Bush
A spare knob for the African Clean Energy cookstove
Snow shoes
Ickesler
This allows for easier movement across powdered snow, without taking a lot of effort to pull your foot out of knee deep snow with every step...
Daily menstrual cycle tracker
Jjwyrzyk
This device cheaply allows women to track their cycle easily, and can also be used when a couple is having trouble having kids. Women having...
Auto-Clearance Adjustable Triple Hotend Effector
Nick D.
This Effector for a column delta printer, like the MOST delta RepRap allows different hotend nozzle sizes to be used
Disaster Relief Housing Platform
S.Seemann
Simple and easy to produce, temporary housing platform to to aid in living conditions after a natural disaster
Advanced Tent Stake
Azw
This is a twisted tent stake designed for use in more challenging soil types.
LED Zappelin', An open source and versatile LED controller for arbitrary spectrum visual stimulation and optogenetics during 2-photon imaging.
Maxime Zimmermann
Two-photon (2P) microscopy is a cornerstone technique in neuroscience research, but combining this technology with spectrally arbitrary ligh...
3D Printed Carpet Knife
Amsharp
Carpenter knife
Newspaper Briquette Maker
Jwkubist
This technique thus limits than range and amount of people able to use those makers. Other makers can attach to a wall and be pulled down li...