About this 3D model

version 3 here: http://www.thingiverse.com/thing:719872 Customizable and stackable. Even makes boxes version 2 here: http://www.thingiverse.com/thing:380740. More slots and taller. a small caddie to organize the many upgrade cards. The slots are slightly wider at one end, but they may need to be even wider as there are a lot of elite pilot upgrades.