Lasers
The Lab Lasers use vector file format .dxf.
RDWorks enables you to do the setup for the laser & convert your .svg file to .dxf.
If you do not have an .svg file use Inkscape to create or convert an existing file to .dxf.
Cheapest 1/8 in plywood tends to come from https://ocoochhardwoods.com/