Playing with Plastic: Laser Marking HIPS, PLA, Acrylic, & Polycarbonate - YouTube
Amazon.com: Snapmaker 2.0 Modular 3-in-1 3D Printer A350T/A250T with One Black PLA Filament, Upgrade 3 in 1 3D Printer with 3D Printing/Laser Engraving/CNC Carving (A350) : Industrial & Scientific
Laser cutting and 3D printing - Systems: Manufacturing techniques - Eduqas - GCSE Design and Technology Revision - Eduqas - BBC Bitesize
Trying to Engrave PLA with a 3W Laser | Jake's Blog