Summary
Customized version of https://www.thingiverse.com/thing:2572111
Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=2572111
Instructions
Using the following options:
Modulus = 1
Tooth_Count = 43
Gear_Thickness = 5
Center_Hole_Diamter = 4
Gear_Twist = 0
Hidden_Teeth = 0
Tooth_Pressure_Angle = 20
Rim_Size = 10
Hub_Diamter = 12
Hub_Extension = 0
Number_of_Spokes = 10
Keyway_Height = 0
Keyway_width = 0
Center_Bore_Shape = 100
The author hasn't provided the model origin yet.