https://www.instructables.com/EtchABot-a-Versatile-CNC-Etch-a-Sketch/
EtchABot: a Versatile CNC Etch a Sketch : 31 Steps (with Pictures) - Instructables
EtchABot: a Versatile CNC Etch a Sketch: The EtchABot uses an Arduino to turn an Etch A Sketch into a self-erasing CNC (Computer Numerical Control) drawing...
with picturesversatilecncetch