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:

TaperPercentage = 0
Knurled = 0
ScrewHoleDiameter = 3
NotchedShaft = 0
RingMarkings = 0
ShaftLength = 6
HoleFlatThickness = 1
Pointer2 = 0
Pointer1 = 1
RingWidth = 0
TimerKnob = 0
HoleDiameter = 6
CapType = 0
KnobHeight = 15
KnobDiameter = 30
ShaftDiameter = 8
HoleDepth = 10