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:

_part = bottom
_batteryDiameter = 14.6
_labelFont = write/orbitron.dxf
_insideHeight = 30
_rows = 5
_labelHeight = 8
_labelDepth = -0.3
_labelText =
_columns = 5
_walls = 1.3
_lipHeight = 3
_fitGap = 0.1
_base = 0.8