Attached a 2W laser to my 3D printer. It now engraves plastic and wood : r/3Dprinting
Amazon.com: LOTMAXX Shark V3 3D Printer Auto Leveling, 2-in-1 impresora 3D Printing/Laser Engraving FDM Dual-Color 3D Printer for DIY Home School Printing Size 9.25x9.25x10.23in Engraving Size 9.25x9.25in : Industrial & Scientific
Anet A8 3D Printer Laser Engraver Mod – lokster | space
Convert Any 3D Printer To LASER Engraver - YouTube
The Endurance Anet A8 3D Printer Combo with a diode laser ADD-ON
3D-PrintCreator – 3D-Printing, Laser Engraving and more.