Customized version of http://www.thingiverse.com/thing:55685

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=55685

Using the following options:

TimerKnob = 0
HoleDiameter = 6.7
HoleFlatThickness = 0
RingWidth = 0
TaperPercentage = 0
Pointer2 = 1
Pointer1 = 20
KnobHeight = 20
RingMarkings = 10
CapType = 2
DivotDepth = 0
ScrewHoleDiameter = 3
HoleDepth = 16
ShaftLength = 15
RecessInnerRadius = 12
KnobDiameter = 60
DRotate = 45
Knurled = 0
RecessDepth = 10
NotchedShaft = 80
FlatSide = 2
RecessOuterRadius = 20
ShaftDiameter = 12