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:

Pointer2 = 0
Pointer1 = 0
HoleDiameter = 6.4
CapType = 0
TimerKnob = 0
RingWidth = 2
TaperPercentage = 10
HoleFlatThickness = 0
Knurled = 0
KnobDiameter = 25
HoleDepth = 11.9
NotchedShaft = 0
ShaftDiameter = 10
ShaftLength = 0
ScrewHoleDiameter = 0
RingMarkings = 0
KnobHeight = 13