Customized this to hold 3 AA batteries in series for a Portal Gun design being made for my son's Rick Sanchez costume. Portal gun features lights, sounds and an electromechanical portal projector. I'll post it up if it turns out decent.

Customized version of http://www.thingiverse.com/thing:128069

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=128069