Instructions:
Print with at least 15% infill and 2 perimeters, PLA is fine, PETG preferred.
For mounting, use one 4.5mm ideally countersunk head screw (but other cylindrical head screws should work too)
It is a little smaller, so the wheel has some play on it, but I left it that way as it depends on printer tolerances and I did not want it to get stuck inside the wheel.
The author remixed this model.
Deleted the lip for 6 screws and added a hole in the middle for 4.5mm counter sunk screw.