Transforming Robot Chess Set

This winning entry for the Makerbot/Tinkercad Chess challenge is a chess set that prints on home 3D printers without supports and be assembled to create an articulated robot action figure. A second set was later added with a different, more monstrous style.

The robot and monster chess sets are available for free download online:
Hero: http://www.youmagine.com/designs/chessbot-hero-transforming-chess-set
Monster: http://www.youmagine.com/designs/chessbot-monster-transforming-chess-set