Film‐wheels.stl
Wheels A and B, these are the same, are printed without support.
M3 x 10mm screw 4pcs
These wheels are made for regular 8, for Super 8 wheels you need an adapter, if you don't have one, print one!
https://cults3d.com/en/3d-model/tool/standard8-to-super8-film-hub-adapter
Stepper‐motor‐distance.stl
Distance to stepper motor seen from below, should sit on top of stepper motor so it has a flat surface and the shaft is lowered. All 3 stepper motors have this distance.