In response to MANY messages, here is how to test your "ACTUAL" work area on your laser. Just because it states, say, 400 mm X 400 mm, it does not mean necessarily so!
I'm showing two different lasers, at random, on how to test for actual work area. This is very important if you are intending to engrave a layout grid on a spoil board. Do this first! You may need to make adjustments to the dimensions of the layout grid.

We do offer some free layout grid downloads on our website: https://moonshinecrafts.com/product-c...
Not every size there is, but hey, they are free..........