Sources for Otto DIY build your own robot

BOB (http://www.thingiverse.com/thing:43708)
ZOWI (http://www.thingiverse.com/thing:747010)
Tito biped robot (http://www.thingiverse.com/thing:1378605)
Bobwi - Cheap, dancing robot. (with BT and easy to print) (http://www.thingiverse.com/thing:1274838)
