Small Puzzle Box

myminifactory

Updated version with decorative pattern and smaller, updated gearbox. First attempt at encoder wheel. (OpenSCAD Source) Print at 0.2mm layer height and ensure there is a 1-layer gap in the ring gears after slicing. Use a sharp edge to de-laminate the 1-layer gaps (stop when you hear the "crack"). Turn the knob just a little to get the gears moving, working back and forth gently. Then apply petroleum jelly or lubricant of choice to gears. For the encoder version, think of 3d printed holes more as "guides" for a drill bit.