I’m completely new to laser engraving. Just set up my Snapmaker for laser and taking the first steps. One scary thing happened today. I started a print via USB with Lightburn and then left the room. The movement of the laser stopped, but the laser was still on power, burning a hole in the print material!
As far as I understand, it happened after finishing the first layer. It seems, as if the machine traveled to the origin of the second layer and then stopped moving by still engraving.
Looking at the preview everything seemed fine.