Amazon.com: ORTUR Laser Engraver Area Expansion Kit, Extension Kit for 2 Pro S2 Laser Master, Engraving Area is Expanded to 400 * 800mm(15.74 x 31.49 Inch)
Amazon.com: Ortur Laser Engraver Area Expansion Kit, Extension Kit for Laser Master 3 Series Laser Cutter, Engraving Area is Expanded to 400 * 850mm(15.74 x 33.46 Inch)
ATOMSTACK Laser Engraving Machine Y-axis Extension Kit for S20/X20/A20 Pro CNC | eBay