There is no reason just had the chance to touch base with Brandon Burke and pick his brain and he really was the main help in jump-starting the process, part of the process is understanding the concept of how the laser works and how the software perceives the files.

There really are no set-in-stone settings. Each image is different as well and each machine will be different. Therefore it is imperative that you do your OWN DPI tests and grid tests. Without the testing on your own machine, you will not get the proper settings to have multi-depth engravings.

Imag-R is where you change the images
Upload, Crop, resize to the EXACT size you want the final image to be, Material, Greyscale Marcin, click download and download the DPI test grids, then download the image once you have the final test grid DPI you want the image to be.