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:

TimerKnob = 1
RingWidth = 0
HoleDiameter = 6
HoleDepth = 10
CapType = 0
ScrewHoleDiameter = 3
ShaftLength = 0
KnobDiameter = 20
TaperPercentage = 10
Pointer2 = 1
Pointer1 = 0
KnobHeight = 15
Knurled = 0
RingMarkings = 10
NotchedShaft = 0
HoleFlatThickness = 0
ShaftDiameter = 10