Parametric Potentiometer Knob with OpenSCAD

This script has a *lot* of variables you can tweak. Research continues, but there's a lot to work with now.

Version 1.1 now lets you adjust the arrow indicator with more parameters.

About

One of the most stressful things about making multiple copies of an electronics project is reliably locating interface controls that you like. Maybe you can locate them one time, but can you locate them a year from now? two years from now? And how much do they cost?

For example, I found some slide potentiometer knobs at Mouser.com for about $0.50 apiece two years ago, and they ran out of them... forever. I tried sourcing them elsewhere, and the best I could find was a seller that had them for $4.00 apiece (!!wtf!!). So that really sucks.

One strategy is to buy in bulk. But, buy too few and you may run out and pay twice for shipping. Buy too many and you end up with unused knobs sitting around not making your money back. That also sucks.

Round potentiometer knobs are somewhat readi