Dell Printer V515w CNC plotter – Dan's Workshop Blog
Vintage HP pen plotter, basically a 1970s printer that literally draws an image. I could watch this all day. (Video by CuriousMarc) : r/oddlysatisfying
Turn an old printer into a laser cutter | Kebris | Photography, Web, content Managment systems and mobile development
How to Turn Your 3D Printer into a Plotter in One Hour | by Uri Shaked | Medium
Davide Gironi: A DIY A4 Laser Engraver made from a scanner and a printer on ATmega328