Has anyone ever engraved on a poly cutting board?
I’d it safe? How did it turn out? What settings did you use? etc.
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I haven’t. As long as the “poly” means “polypropylene” and not “polyvinyl” then it should be safe. I did a quick google search and found this as the first hit. It doesn’t deal with quality or settings, but it does talk about safety.
Polypropylene - Laser Cutting, Marking & Engraving | ULS.
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Very melty, not pretty.
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Yeah, sounds like I can’t use it… 
Thanks!
This is really for the benefit of others reading this thread, but engraved cutting boards should be for decoration only - unless you only use the reverse side for food prep/presentation.
So despite some plastics being suitable, why would you bother with something like this? Stick to Bamboo or similar interesting woods.
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It would still be for wall hanging, decoration only, if I could have used it.