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Potentiometer Knobs
by Old-Steve
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My potentiometer knobs
I have 3 knobs.
15mm, 20mm, and 30mm diameters. All are 15mm’s tall.
There is a ¼” round hole (6mm’s X 12mm’s) for the potentiometer shaft with a pilot hole for a set screw. I used a 6-32 drill/tap combo bit to thread the hole.
There is a slot on top of each knob so you can slide in a piece of 1.75 filament as an indicator. I used white, yellow, and green for high contrast and visibility.
I printed these in PETG .2 layer 20% infill
* I added a fourth knob.
30mm diameter and I hollowed it out on the under side so it uses less plastic.
I have 3 knobs.
15mm, 20mm, and 30mm diameters. All are 15mm’s tall.
There is a ¼” round hole (6mm’s X 12mm’s) for the potentiometer shaft with a pilot hole for a set screw. I used a 6-32 drill/tap combo bit to thread the hole.
There is a slot on top of each knob so you can slide in a piece of 1.75 filament as an indicator. I used white, yellow, and green for high contrast and visibility.
I printed these in PETG .2 layer 20% infill
* I added a fourth knob.
30mm diameter and I hollowed it out on the under side so it uses less plastic.
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