Glowforge Proofgrade Black Acrylic brings you the ideal material for use with your Glowforge Plus or Glowforge Pro machine. Start experimenting with laser cutting and engraving with this high-gloss, lustrous acrylic that is sure to add shine to any project.Glowforge cast acrylic provides smooth, polished cuts. Achieve professional-quality results for every project. The Proofgrade collection is specially designed and safety tested for laser cutting and engraving. Proofgrade materials are formulated for use with the Glowforge 3D laser printers and are outstanding for any CO2 laser cutter or laser engraver. Size: 30.5 x 51cm (12 x 20 inches) Medium thickness (approx. 1/8 inches) OpaqueHigh-gloss, lustrous finishProvides smooth, polished cutsIdeal for use with the Glowforge machinesSafety tested for laser cutting and engraving Glowforge Proofgrade Black Acrylic 12 x 20 Inches