Numpad With Volume knob

This is a numpad I threw together from spare parts. There is no PCB so the matrix has to be wired up by hand. It uses a 7mm rotary encoder(most common kind) and cherry mx compatible keyswitches. I'll leave the microcontroller and matrix up to you, just stick the keyswitches in the plate and go to town. Print the stand in tpu, the base and plate in anything stiff. Use m3 screws and threaded nut inserts to put it together.

The freecad model is a mess and was designed in the realthunder fork.

Designed for printing without supports.