Inconsistent dimensions on X

I am currently having a strange problem on my red & black, 80w ruida laser w/ lightburn. I cut these 2 inch squares out in a row with about .08 between the blocks. The size of the blocks then grows with each one cut on the x axis (not Y). There is no skipping, just changing sized blocks. The grow by about .030 from block 1 to 5. Which is enough to cause havoc on making things that need to connect together.

I did update the scaling through lightburn the other day to make the sizes correct. Could this be some stepping error? I also moved it over about 10 inches and tried it again with the same effect. Any help would be appreciated.

Have you tried setting to metric and doing the same process?

You may be a victim of rounding errors converting inches to mm and back.

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