CNC Etch-A-Sketch! Probably as good a project as any to get a handle on the basics. Very basics. Tentatively, the big picture is this: Part 1: CNC hardware / electronics / wiring Part 2: Software, setup and calibration https://youtu.be/eLdlV3-JaH8 Part 3: Machine Design -- Music: "Sally Goodin" & "Reuben's Train" - Nat Keefe with The Bow Ties