60 tooth

thingiverse

Here is the rewritten text: A customized version of http://www.thingiverse.com/thing:16627 was created using Customizer, which can be found at http://www.thingiverse.com/apps/customizer/run?thing_id=16627. Using these options: Set m3_dia to 3.2 Adjust nut_shaft_distance to 1.2 Select profile as 2 Add additional_tooth_width of 0.2 Specify nut_angle at 90 Include additional_tooth_depth at 0 Ensure m3_nut_hex is set to 1 Define retainer_ht at 1.5 Choose pulley_b_dia at 20 Select idler at 0 Identify motor_shaft at 5.2 Limit no_of_nuts to 1 Designate pulley_t_ht as 12 Select retainer at 0 Confirm m3_nut_flats at 5.7 Design idler_ht at 1.5 Program teeth at 60 Set pulley_b_ht at 8 Verify m3_nut_depth at 2.7