Customized version of http://www.thingiverse.com/thing:57281

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=57281

Using the following options:

_insideHeight = 30
_walls = 0.8
_columns = 1
_part = bottom
_labelText =
_labelHeight = 8
_base = 0.8
_labelFont = write/orbitron.dxf
_lipHeight = 2
_rows = 2
_batteryDiameter = 10.7
_fitGap = 0.1
_labelDepth = -0.3