Building an open source robot arm for makers and small businesses

Video of the my first hypocycloid gearbox in action:



http://instagram.com/p/piMRPxofLx/

The print tolerances were very challenging to get right.

http://www.thingiverse.com/thing:371422

Here is the file if you'd like to print your own. I'd love to hear your ideas about how to improve performance.