Bottle engrave overlap

Hi - first time posting on this forum so forgive me for making any mistakes.
Ive been trying to engrave a bottle with the Lightburn rotary setup using a chuck. However even after setting the Overlapping to 0 and getting the right diameter its still overlapping the engraving. We’ve tried putting the laser in and out of focus but that doesnt seem to be the problem.
Any tips or tricks are greatly appreciated!

Show some pictures of the results. It’s hard to judge without.

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