Re: 40w Laser - Slanted Edges On Two Sides When Cutting
Your beam at the last mirror is not perpendicular to the table on one plane. So in one axis it cuts fine as its aligned but on the other axes it's angled. Just draw it out and adjust the last mirror (and hope it doesn't then hit the cone..).
Edit... Sorry tired and didn't read the last line. Might be loose belts or carriage that angles when pulled in one direction?
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