I am unsure about the specific materials that make up hobby foamcore board like hobby lobby sells and was wondering if anyone knows if that falls in the approved category?
Should be fine.
Settings here do not apply, because different laser, but would not be shown if not safe:
https://256.makerslocal.org/wiki/40_Watt_Laser_Cutter#Vector_Cutting_Setting_Suggestions
More discussion about safety of foam core, including links to MSDS: https://talk.dallasmakerspace.org/t/inexpensive-sheet-foam-on-laser-quick-question/1548
Mike
Most foamcore is made from polystyrene, which is on the banned list of materials on our wiki page.
Also, not sure if you’re aware, but we have a foam cutter, on the left side of the 3d printers.
Polystyrene foam is banned, but polystyrene sheet is allowed.
Mike
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Very interesting! Going to give some of these things a try just for fun