Customized version of http://www.thingiverse.com/thing:45117

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=45117

Using the following options:

Thread_Size = 10
Rosette_Offset = 0
Chamfer_Size = 0
Number_of_Rosettes = 1
Knob_Fill = 2
Wall_Thickness = 0
Knob_Type = 1
Knob_Diameter = 26
Rosette_Radius = 0
Knob_Thickness = 6