Customized version of http://www.thingiverse.com/thing:54024

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=54024

Using the following options:

Knurled = 0
RingWidth = 10
RingMarkings = 10
CapType = 0
KnobHeight = 10
HoleFlatThickness = 0
HoleDiameter = 8
ShaftLength = 30
ShaftDiameter = 10
NotchedShaft = 0
KnobDiameter = 50
ScrewHoleDiameter = 8
TimerKnob = 0
Pointer2 = 1
Pointer1 = 1
HoleDepth =
TaperPercentage = 0