I want a 2-knob "mouse" like the one I had on my etch-a-sketch 30 years ago! One for X, one for Y... [ 3 minutes of googling later... ] Of course it's been do

I want a 2-knob "mouse" like the one I had on my etch-a-sketch 30 years ago! One for X, one for Y... [ 3 minutes of googling later... ] Of course it's been done: https://mitxela.com/projects/etch_mouse https://mitxela.com/projects/etch_mouse