Wing, winged, thumb or butterfly nut knob to perfectly adjust the parameters and tighten the tolerances down :)
V1: Modified original prusa knob (MK3S)
15.07.2022: Added V2 - redesigned clamping geometry for various potentiometer heights.
Break the clamping wings loose before you put it on your potentiometer.
The author marked this model as their own original creation.