LightBurn measurement distortion issues

Hello, forum friends.

I started having issues with LightBurn related to G-code generation. For example, I tried cutting a 51x51mm piece, but it comes out as 51x59mm. The distortion only happens on the Y-axis.

This problem occurs only in the G-code because if I command the machine to move 50mm on the Y-axis, it moves correctly. If I run the frame function, it also stretches the piece only on the Y-axis.

frame example:
G00 G17 G40 G21 G54
G91
M3
G1 X51.302Y0S5F6000
G1 Y58.642
G1 X-51.302
G1 Y-58.642
M5
G0
G90
Notice that the measurement on the Y-axis is completely wrong.

Check that you do not have “Enable Rotary” turned on. That will cause distortion on Y axis when turned on

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