I had the front doors of the laser off, which might be a bad idea. In this photo you see
the 'hatch' or top cover, and then two doors with key sockets on each side.
The two doors are actually one, but it is hinged in the middle so that …
I have a directoy named 'laser_box' with two files in it.
It is a parametric model for a live hinge. Specify a few parameters
in the OpenSCAD file and you get a live hinge that you can export to
a dxf, and then read into your laser software.