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From OHO - search engine for sustainable open hardware projects
Puncher roller
The puncher roller can pierce through plastic mulch or mark out lines in the soil for sowing or transplanting. This tool is very adaptable: you can choose the s...
Contains PDF Blueprints: Yes
Contains CAD Files: No
License: CCBYNCSA40
Quick hitch triangle
The quick hitch triangle replaces the traditional three point linkage system. With the quick hitch triangle, you can hitch a tool onto a tractor in a matter of...
Contains PDF Blueprints: Yes
Contains CAD Files: No
License: CCBYNCSA40
Radial Drill made from Auto Parts
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Raised Hutch of 3.5 m2
Rabbit hutch with a good level of security, protecting the rabbits from predators.
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Rice Threshing Machine - Pedal Driven
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Rope Pump with Depth Adjustable
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Safe and Sturdy Shelter
Rabbit hutch with a good level of security, protecting the rabbits from predators.
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Sand Blasting Machine Made of 6 Inch Pipe
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Savonius Rotor of 1m Diameter
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Savonius Rotor with Two Blade Levels
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Sawdust Stove Made with a 20 L Tin Can
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Scale Made with a Flat Spring
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Scooter with Fat-tire with 6 hp Engine
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Screen printing press
This tool will allow you to make one-colour prints on many different substrates. It comes with a printing board specially designed to hold t-shirts, but it can...
Contains PDF Blueprints: Yes
Contains CAD Files: No
License: CCBYNCSA40
Seed Cleaner - for Repeated Seed Sorting
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Single Pan Balance
Single pan balance, made of affordable materials, practical for laboratory students and general purpose uses.
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Small water turbine
This project shows the construction plans for a small 5 kW water turbine based on the research of Dr. Mohammad Durali at MIT. According to the original developm...
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: COHL12
Snow Sled with 10 hp Outboard Motor
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Solar Cooker - diameter 1.4m
Based on: https://www.youtube.com/watch?v=joJRrljm30g--
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Solar Food Dryer for Vegetables
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Solar Water Heater - Capacity 100L
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Solar Water Heater with Corrugated Metal Collector
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Solar Water Heater with Serpentine Collector
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Stand for Inspection Microscope
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Star shaped finger weeder
Consisting of semi-flexible star-shaped fingers which rotate around the plants and are usually mounted on legs which follow the micro-topography of the soil, st...
Contains PDF Blueprints: Yes
Contains CAD Files: No
License: CCBYNCSA40
Stationary Solar Fish Drier
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYNCSA40
Stationary Solar Fish Drier 37 m2
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYNCSA40
Steel Wire Rim Wheel for Donkey Carts
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Table for Wood Router with Storage Spaces
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
The Kebkabiyah Plough
Light plow for arid soils pulled by donkey or camel, based on traditional models, but with an all-metal structure made from scrap metal.
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Thickness Sander with 476 mm Width
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Tilter
This linkage piece is fitted onto the quick hitch triangle to allow tractor mounted cultivation implements to work up to the end of a bed, when the tractor has...
Contains PDF Blueprints: Yes
Contains CAD Files: No
License: CCBYNCSA40
Tractor tool bar
With this versatile and easy to use tool-bar, you can acquire a range of essential tools at a low cost. Many tools can be fitted on, from comb weeders, vegetabl...
Contains PDF Blueprints: Yes
Contains CAD Files: No
License: CCBYNCSA40
Trailer for bicycle based on Carla Cargo design
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Tray Dryer Semicontinuous - for Vegetables
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Tube Manometer
Uses in practical experiments and demonstrations 1. To demonstrate that the pressure of a liquid is equal in all directions. 2. To determine the specific gravit...
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40