dual 18650 box mod

A dual 18650 unregulated box mod. the fire button hole is for a 16mm push button and the top is for a standard 510 connector. the battery sled can hold standard clip-on battery contacts. 

if you have simplify 3D or a slicer that allows you to set it to 0 top layer and 0 bottom layer, and select different infills for different designs for the door.