My GF started having trouble cutting through acrylic, and is now producing big black lines when engraving acrylic that do not wash out. Can anyone give me insight? I have already cleaned it, but will go through again…
To me, those look like liquid flow lines, not laser artifacts. Could be more of a material problem than a Glowforge issue. What happens when you try to engrave something else?
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Just curious…is that cast or extruded acryic?
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