Customized version of https://www.thingiverse.com/thing:4167864

Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=4167864

Using the following options:

teeth = 43
profile = 12
motor_shaft = 8
m3_dia = 3.2
m3_nut_hex = 1
m3_nut_flats = 5.7
m3_nut_depth = 2.7
retainer = 1
retainer_ht = 0.6
idler = 1
idler_ht = 0.6
noteeth = 0
pulley_t_ht = 6.2
pulley_b_ht = 0.6
pulley_b_dia = 18
no_of_nuts = 1
nut_angle = 90
nut_shaft_distance = 1.2
additional_tooth_width = 0.2
additional_tooth_depth = 0