Amazon.com: SCULPFUN S9 Laser Engraver with S9 Expansion Kit for Extension to 410 x 950mm, 90W Effect High Precision CNC Laser Cutter and Engraver Machine, Deep Cutting for 15mm Wood
Amazon.com: 4240 Engraving Machine for Metal, Iklestar 40W Engraver and Cutter for Wood, 10000mW Optical Power, Compressed Spot, DIY Marking (16.54"x15.75")
How I built the Simplest CNC Machine with minimum parts possible | DIY Laser Engraver - YouTube