You have step export if Fusion will import that format. For laser cutting and etching you would be better off with program that produces DXF or SVG formats. While you can export DXF and SVG from Solvespace, it is not good tool for detailed 2d drawing .You could look at Qcad and Inkscape. If you have your own laser, LaserGRBL seems to run fine under wine.

Lightburn generates gcode from various file types including DXF and SVG, so QCAD or Inkscape should do the job. If necessary Inkscape has an addon for generating gcode, Laser printers are usually driven by Lightburn or equivalent, where things like number of passes, power levels and feed rates can be setup for inclusion in the gcode. If the library is using Lightburn, either should do,,