Customized version of http://www.thingiverse.com/thing:59933

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=59933

Using the following options:

_overhangAngle = 45
_labelText = Fri
_insideDiameter = 25
_bottomThickness = 0.8
_minimumWallThickness = 1.0
_labelRotation = 0
_partGap = 0.2
_rounding = 8
_labelHeight = 8
_lipHeight = 2.4
_interiorHeight = 15
_labelDepth = -0.3
_labelFont = write/orbitron.dxf
_bayonetDepth = 0.6