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6mm shaft (for 12mm rotary encoder) knob adapter

6mm shaft (for 12mm rotary encoder) knob adapter

thingiverse

I wanted to make my own knob for a rotary encoder, but couldn't figure out how to make the "D" shaped mounting hole in my knob. So this is a mounting adapter thing I printed out. Now i can just make a .75" round recess in my actual knob and then I'll glue the adapter in place. The adapter is an extremely tight fit on the shaft right off of the machine - I had to do a bit of filing to make it fit snugly.

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