An add-on to the great French Cleat Filament Holder https://www.printables.com/de/model/19810-french-cleat-spool-holder/ that removes the squeaking of cardboard spools if they sit directly on the fixed axle.
Designed to be printed upright so that no support is needed.
Freecad model with parameterization available in the downloads.
The author marked this model as their own original creation.