Project files for CNC and Laser cutting. Their files are available in PDF, DXF, BMP, CDR, STL, and DWG formats and have filters for the categories, to help you choose the type you need.
Community made PDF that explains settings for strokes and fills in Inkscape. https://community.glowforge.com/t/inkscape-setting-stroke-and-fill-colors/7377?u=jules