My Makerbot Academy Math Manipulative contest entry.
Nets of a Cube - Geometry Manipulative Set
Thingiverse.com/thing:186337
My predictions of the winners http://www.thingiverse.com/DesignMakeTeach/collections/predicted-winners-of-makerbotacademymath
Other 3D printing lesson ideas at http://designmaketeach.com
