Filament Roller

This is a filament roller which contains some nice features.
You need 4 ball bearings (6200ZZ 10x30x9) - the other parts are printed.
You need no tools, no screws, no shafts, no threaded rods.
The roller can be screwed to the surface on which it stands.
The end of the filament can be fixed.
The filament rolls easily due to the large rolls.
Only 3 parts to print.