Here is a video from the guy that made the layout. He can better explain what it is for than I can 
XTOOL D1 Laser Foot Bracket and Laserbox Grid - YouTube
It has really helped me align objects on my waste board and LightBurn.
Here is a video from the guy that made the layout. He can better explain what it is for than I can XTOOL D1 Laser Foot Bracket and Laserbox Grid - YouTube
It has really helped me align objects on my waste board and LightBurn.