I'm considering to buy an A3 w/ 2.5W laser to mainly cut 180g metalized paper, photographic paper and, eventually, cardboard, EVA and balsa wood.
Specifically regarding paper, I would like to know if is possible to cut 180g paper without leaving burned edges at, at least, one of the sides of the sheet.
I'm currently using a Cameo Silhouette to cut paper but I'd like to have a more versatile machine...
The laser will burn edges of your paper, and I don't think it can cut the items you said, this machine is used for engraving.
I agree with @John. If you want cut paper without burned edges, buy at least 40W CO laser cutter. Yes - they are bigger, but costs same or even are cheaper than 5.5w laser with moving equipment.
@MuuSer thanks replying.
Considering shopping cost and taxes here in Brazil, a 40W CO2 laser would cost around R$ 6.000,00 (U$1700) vs R$ 1.500,00 (U$ 420,00) for the 2.5W.
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