I wonder that myself and I measured the slates and make sure there are consistent with a margin of 0.2 to 0.3 mm nothing that big to create that amount of variable results. I attribute the problem to a focal distance from.rhe center to the corners and a poor firmware.
Thank you! How do you clean up your slate coasters? Do you prepare them before you engrave? Don’t put anything in them after you engrave them?
Thank you for the videos you shoot and share. Regarding this unevenness I'm wondering if the reason could be the slates thickness inconsistency?
I wonder that myself and I measured the slates and make sure there are consistent with a margin of 0.2 to 0.3 mm nothing that big to create that amount of variable results. I attribute the problem to a focal distance from.rhe center to the corners and a poor firmware.