Aspect ratio changes when sent to grbl

My aspect ratio seems to be changing when I save as grbl or sent to my Longer Ray5 10W. Job is set and saved at 12 X 12 and skews and cuts as 12 X 7…

You have a rotary? Whether you do or not, is it turned off in Lightburn?

Perhaps Enable Rotary is (inadvertently) turned on?

It can be turned on even if you don’t have a rotary and generally messes up the Y axis size.

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Thank you so much. That seems to have solved that problem!

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