Issue / circle cutting

I’m using lightburn software with a ruida controller. My issue is I can’t get a perfect circle cutting. It’s come like oval.

What do you think the problem ?

The step size for either the X or Y axis is probably wrong. Draw a 100 x 100 mm square and measure it. How big is the result?

This is the result :frowning:
x axis 105mm
Y axis 100

You need to check the step lengths for your machine. Read here:

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