FlipFlopGear

Inspired by http://507movements.com/mm_114.html

FlipFlopGear consists of 3 parts:
- Gear
- FlipFlopGear
- Base (the picture shows an older version)

See also: http://sketchfab.com/nk4ji3hgfe | http://youtu.be/CGrbfFPV9_A
More information (German): http://www.3dgeometrie.com/2013/09/flipflopgear.html