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From OHO - search engine for sustainable open hardware projects
Oskar Zither
Oskar Zither is a mobile braille-keyboard. The arrangement of 8 keys in a braille cell block and two additional keys allows Oskar Zither to be controlled withou...
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: COHL
Parabolic Solar Cooker with Aluminium Reflector
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Peanut Roaster - Capacity 60kg/hr
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Peeling Machine for Sunflower Seeds
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Pipe Bending Machine
Detailed drawings for building a tube bender Project published under CC-BY-SA 4.0 license
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Pipe and Roller Axle for Ox Carts
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Pit for Waste Disposal in Rural Areas
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Plastic compression machine, Precious Plastic
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Plastic extruder
An extruder machine works with a repetitive process, i.e. the molten material is put into the moulds, pressed by pushing the transport worm forward. After which...
Contains PDF Blueprints: Yes
Contains CAD Files: No
License: unknown
Plastic extrusion machine, Precious Plastic
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Plastic injection machine, Precious Plastic
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYNCSA40
Plastic rolling machine
Whether for mulching or soil solarisation, this plastic rolling machine is a quick and easy way of laying down plastic sheeting onto beds. The technical drawing...
Contains PDF Blueprints: Yes
Contains CAD Files: No
License: CCBYNCSA40
Plastic shredder, Precious Plastics
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYNCSA40
Plate Rolling Machine
Manual Rolling Machine for Sheet Metal Bending
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: COHL12
Power Thresher for Rice and Wheat
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Press to produce homemade vegetable oil
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
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
Urbolienne windmill
The Urbolienne, a prototype micro-wind turbine developed by the French design office Aeroseed, generates energy on sites where the wind is irregular and often c...
Contains PDF Blueprints: Yes
Contains CAD Files: No
License: TOHL
VentMon T 0.4 In-line Fan Test Device and Monitor
Design of inline monitor/tester for pandemic ventilators and Overall Strategy for Deployment OSH project
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: GNUGPL3
Ventilaid breathing device Mk III
A decrease in lung function is noticeable in patients with Covid-19, which results in insufficient oxygen being supplied to the rest of the body. This situation...
Contains PDF Blueprints: Yes
Contains CAD Files: No
License: CCBYNC40
Vertical Axis Sail Windmill - Diameter 3 m
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Vibra bed former
The Vibra bed-former is a secondary cultivation tool and a bed former. It’s based on a spring tine cultivator, but also has an adjustable comb weeder and a hydr...
Contains PDF Blueprints: Yes
Contains CAD Files: No
License: CCBYNCSA40
Welding Gun - Multifunctional and DIY
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Wheel Barrow
Engineering drawings detailing how to make a wheelbarrow Consisting of a tray bolted to two handles and two legs, ideal for small/medium loads for the household...
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: COHL12
Wheel hoe
The wheel hoe is a hand tool used to weed between rows faster and more efficiently than with other hand held hoes. The wheel hoe is a hand tool used to weed bet...
Contains PDF Blueprints: Yes
Contains CAD Files: No
License: CCBYNCSA40
White Rabbit
White Rabbit is a fully deterministic Ethernet-based network for general purpose data transfer and synchronization. It can synchronize over 1000 nodes with sub-...
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBY40
Wind Mill Pump
Plans and 3d models to build a DIY equipment to pump water using a Savonius turbine and a diaphragm pump. Original design by Brace Research Institute, published...
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Wind Turbine with Vertical Metal Drum Sails
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Windmill Blades - Diameter 1.5 to 3 m
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Windmill Blades - Diameters 60 to 120 mm
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Winnower Made of Wooden Parts
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40
Wood Router Table - Size 560 mm
Contains PDF Blueprints: Yes
Contains CAD Files: Yes
License: CCBYSA40