My Customized Parametric Flexible Coupling

Customized version of http://www.thingiverse.com/thing:44078

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=44078

Instructions

Using the following options:

H3 = 4 H2 = 7 H1 = 30 Dnut = 4 Hnut = 2.5 SLICES = 16 B = 5 N = 12 D3 = 3.5 D2 = 5 D1 = 20