Wrong cut size CO2

LightBurn Software Questions
1

Hi,
I have recently setup my CO2 laser temporarily with GRBL (waiting for smoothieboard to be shipped) and I have a problem I fail to see its cause.

Everything works just fine exept it cuts everything exactly 0,5mm bigger… I setup my steppers correctly, I tell it to move 1mm it moves 1mm etc… imported DXF has proper size… BUT when I cut it its 0,5mm bigger than its supposed to be… Did enyone delt with simmilar problem? (no its not caused by width of the laser beam)

Yes offcourse I could compensate it either by editting steppers or dxf to match the exact size of the cut but thats crude solution.

ps: Many thanks to devs for lightburn, i have got thru many laser softwares and this one is really amazing.

2

Do you have Kerf enabled in the cut settings? If you did, that would alter the output size.

3

No, the Kerf is set to 0.

4

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