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:

ScrewHoleDiameter = 3
ShaftLength =
ShaftDiameter = 10
TimerKnob = 0
Knurled = 0
TaperPercentage = 30
HoleDepth = 13
KnobDiameter = 11
HoleFlatThickness = 0
RingWidth = 0
NotchedShaft = 0
Pointer2 = 1
Pointer1 = 0
RingMarkings = 10
KnobHeight = 15
CapType = 2
HoleDiameter = 5.5