A generic filament rack made with 3d-printed parts and round wood. Wood poles have a diameter of 30mm (+- 1-2mm).
When done printing, you need a rounded file to correct the holes of the 3d printed parts so they fit better with the wood. There is also little plug inside the object to hold onto the wood better. Depending on the diameter of the wood, this plug needs to be sanded down to not damage the wood too much.

You need to print at least:
2x bottom_front.stl
2x bottom_back.stl
4x connector.stl

Per level you need 4 connectors. I suggest mirroring the connector part, so you can hide the screews better.

Prusa

I3 MK3S

No

No

0.2

does not matter