Draw on bottles using a CNC plotter made from old printer rollers and other scraps | Arduino Blog
Pen Plotter From Salvaged Printer Parts | Hackaday
Vintage HP pen plotter, basically a 1970s printer that literally draws an image. I could watch this all day. (Video by CuriousMarc) : r/oddlysatisfying
DIY Arduino Uno CNC Plotter Machine Project with Code and Circuit Diagram
Davide Gironi: A DIY A4 Laser Engraver made from a scanner and a printer on ATmega328