Thank you very much, now i have another thing to study 
Looks good!
I have a question regarding the design.
Did you draw just lines connecting to each other or did you use rectangles and change the cut and perforation lines?
I’m trying myself to design a box from rectangles. But when you stack rectangles against eachother you can’t tell Lightburn to one side a cut and the other side perforation on the same rectangle.
I tried to break up the rectangle with “Edit nodes” but that was not successfull
That is correct, you must always construct 2 forms, “one negative and one positive”. But I don’t understand that you can’t use the boolean operations, that’s the fastest and easiest way for me.
Just the shapes are closed and touching each other.
In the picture I use the first row of teeth for boolean operation of the opposite side, I simply use a copy of the first, the second and so on to weld or subtract shapes with and from the other. (The first row is made with an array of one tooth)
