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[bwente]

I started with the settings posted in this thread…

5mm underlayment laser safe? (edited for typo)

So, I have been cutting with the 5mm underlayment and so far so good. After a few tests and trails, I settled on these settings for pretty consistent cutting: Power: Full Power Speed: 130 Focus Height: 0.198" These settings can probably be improved on, but this is what works. After transporting the material to a drier climate, a lot of it has a little bit of a warp. If the material is flat, then you could probably go faster.

But, read through the whole thing, lots of good info. But @eflyguy mentioned Purebond, which I have also started using. Much easier to deal with.