40k/Steampunk style rotary encoder made in 3 parts so it prints flat on the bed
the hole in the top piece is for an m3 screw give you something to spin the cog with
(the chrome is a Molotow Liquid Chrome Pump Marker Pen - 1mm Nib 703.101)
the black is a black sharpie
The author marked this model as their own original creation.