Knob for rotary encoder (6mm D shaft)
thingiverse
This is a knob for the cheap rotary encoders (eg KY-040) with 6mm diameter, D shaped. Depending on your printer, settings, tolerances etc you can add a drop of hot glue for better fixation. The cross on the bottom is to help with bed adhesion, so a brim is usually not needed. Remove it after printing with pliers or knife. I printed with PLA.
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