Design your own products with Ponoko

Makes a great conversation piece or an educational toy.

This mini rotary engine model is easy to put together (a few drops of superglue or other adhesive are all that is required), and offers a unique way to understand and view the workings of the wankel rotary design.

Measures 76 x 56 x 12mm (approx 3 x 2.25 x .25in) fully assembled.

Full-sized assembly instructions available at:

http://marchingcubes.com/assembly_diagram.png