Original knobs slip so I've designed these. Openscad code is not cleaned but it works. When installing put it lightly on and screw it into position. Screw will do the hard job because the print is slightly thicker but the plastic will bend and fit perfectly. Remember, knobs are not same.

Print instructions

Category: Bathroom Print Settings

Printer Brand: Prusa

Printer: i3 MK3

Rafts: No

Supports: No

Resolution: 0.2

Filament: Gembird PLA