Customized version of http://www.thingiverse.com/thing:250422

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=250422

Using the following options:

Has_Inner_Cutter = no
Inner_Side_Difference = 15
Outer_Side = 76
Frame_Flange = 3
Inner_Height_Difference = 3
Frame_Thickness = 3
Outer_Height = 23
Cutter_Thickness = 0.5