Geoffs Potentiometer Knob - 2 colors the easy way

Geoffs Potentiometer Knob - 2 colors the easy way

thingiverse

Designing a knob is pretty easy - BUT - I was having LOTS of trouble with the position Indicator - because this must be a different color. The best (& sneakiest) way I could find is to leave a 2mm hole in the knob, then just insert some (different color) FILAMENT into the hole. This knob is designed for a knurled pot shaft, as used on the RepRapDiscount Full Graphic Smart Controller

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