My Customized Parametric pulley - lots of tooth profiles

Customized version of http://www.thingiverse.com/thing:16627

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=16627

Instructions

Using the following options:

additional_tooth_width = 0.2 nut_angle = 120 teeth = 20 idler_ht = 1.5 profile = 8 retainer_ht = 1.5 pulley_b_ht = 0 nut_shaft_distance = 1.2 pulley_t_ht = 8 additional_tooth_depth = 0 retainer = 1 m3_dia = 0 no_of_nuts = 3 motor_shaft = 15.95 m3_nut_hex = 0 pulley_b_dia = 12 m3_nut_depth = 2.7 idler = 1 m3_nut_flats = 5.7