Overscan, scan offset, and camera alignment solve three different LightBurn problems: smeared fill edges, zipper lines, and artwork that is not quite where the overlay said it would be.

The LightBurn material library keeps proven settings ready to apply. Pair that with a clear use of Fill vs Line, and your layers stop fighting each other.

Photo engraving on a CO2 laser is less about a magic setting and more about the image mode, the artwork, and a test on the real material. Here is how we approach it in LightBurn.