cut.svg /usr/share/inkscape/icons/hicolor/scalable/actions/path-difference.svg /usr/share/inkscape/icons/hicolor/scalable/actions/path-division.svg /usr/share/inkscape/icons/hicolor/scalable/actions/path-effect-parameter-next.svg /usr/share/inkscape/icons/hicolor/scalable/actions/path-exclusion.svg...
blue lines are shallow cuts (i.e. they don’t cut through the material but they leave a visible line) black or grayscale is engraved (this can also
but expect that effort to top out lower than you'd like (e.g. you may never see 30-60fps fluidly interactive rates... depending how much fat to cut is there) - you may always be bound by memory or bus traffic even with optimized CPU code simply because of the strategy chosen ...