These can replace the pulley wheel for this metal pulley:
https://www.homedepot.com/p/Everbilt-1-1-2-in-Zinc-Plated-Wall-Ceiling-Mount-Pulley-43364/205883050
The hole in the middle may need to be reamed slightly to move freely around the pin.
LargePulley1.stl | 178.1KB | |
MediumPulley.stl | 163.2KB | |
SmallPulley.stl | 147.8KB |