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[evansd2]

Since this is for beginners you might want to explicitly say what “it” is and refer them to #4, which is all about material safety.

4: What materials are dangerous to laser?

Return to the common questions index The main ways to damage your machine with a material are through fire, melting, or chemical reaction. Fire: Layered materials like cardboard and stacked papers can be fire hazards. Some foams are prone to fire. Acrylic is prone to fire. There are good reasons why Glowforge insists that you monitor the machine when it’s cutting, fire is at the top of the list. Search the forum any time you’re trying a new material, chances are someone’s tried it or will…