Glowforge Proofgrade Thick Draftboard brings you the ideal material to use with your Glowforge Plus or Glowforge Pro machine. The draftboard is engineered wood material that will help you inexpensively draft structural or wood projects.The draftboard material is available in medium (0/8) and thick (0/8) variations so that you can ensure you have the thickness and sturdiness you require. 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) Thick board (approx. 1/4 inches) UnfinishedEngineered wood materialIdeal for use with the Glowforge machinesSafety tested for laser cutting and engraving Perfect for drafting structural and wood projectsGlowforge Proofgrade Thick Draftboard 12 x 20 Inches