I am wondering if anyone knows of any tutorials on how to accommodate for curved surfaces looking top down and laser distance so that the engraving comes out even on objects that wont be rotated. Trying to avoid the center of the engraving being deeper and more harsh and the outside of either side being a much lighter etching. Thanks in advance.
That all depends on the laser you’re using - are you using a gantry machine (diode or CO2) or a galvo? - we do have taper warp compensation for Galvo lasers that might be able to accomodate this: Taper Warp - LightBurn Documentation
Echoing “depends on the laser”. The key parameter is the depth of field/focus. A longer lens in a galvo/gantry would give a wider range in Z over which the laser would give similar results. However, you will have a larger spot size, which may take the detail level out of the acceptable range for your application. Other options are an active Z-axis, which isn’t supported in Lightburn, or the even more ridiculously expensive 3d scan head options.
Another possible solution is 3d print a jig or 2, and try multiple passes at different orientations. Whether that makes sense for you use case or not requires a lot more detail.