OPEN HARDWARE OBSERVATORY

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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

Potery Wheel with 5hp Motor

   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes

License: CCBYSA40

   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes

License: CCBYSA40

Power Hammer Krusty

   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes

License: CCBYSA40

Power Thresher for Rice and Wheat

   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes

License: CCBYSA40

Press for Water Filters

   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

Pulley puller with 3 jaws

   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes

License: CCBYSA40

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

Rocket Bread Oven

   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

Santa Cruz Solar Collector

   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

Segner Turbine for 4m Pit

   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 Composting Box

   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

Smelting Furnace DIY

   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes

License: CCBYSA40

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

Solar Wax Melter

   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes

License: CCBYSA40

Spoked Wheel Jig

   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes

License: CCBYSA40

Spring Scale DIY

   Contains PDF Blueprints: Yes

   Contains CAD Files: Yes

License: CCBYSA40

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OPEN HARDWARE OBSERVATORY 2020

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