Clicker Knob

Knob with detents. 

unmarked D20.

• the d20 folder are ∅20mm diameter and have no markings. Flat version is intended to be glued to some surface.  You have the option with 12 and 24 clicks per revolution.

D25 ∅25mm

Knob notch is intended to take a piece of filament as marking

The d25 folder contains ∅25mm knobs, marked  0-11 either with flange to be glued on a surface or as token to set. Or unmarked just as a fidget toy.

The stacked ring version are counter that can add as many rings (marked 0-9) as you want and comes with two different spring strength so the first ring clicks while the next still holds to count.

Assembly in warm water makes it easier to slide/press together

optional: add a tiny amount of grease for the notch or on both tips of the spring for superior clicking.

The scad script files allow you to change the knobs in size or marking.