The design opens in Serif’s Affinity Designer:
and is made up of what look to be well-formed outlines:
Exporting to SVG yields a warning:
Selecting Open Vectors:
Yields one item which it should be okay to delete.
Like most designs, this yields the issue of “Figure-ground reversal”:
Note that the dimensions are a bit off:
So scaling up to match the original:
The most expedient way to invert the design is to just offset to the outside:
Deselect what one wishes to keep:
and delete the extraneous geometry:
At this point it would work to assign a V carving toolpath:
If the tooling and toolpaths for that would be suitable for the material which is being cut…
but my experience is that trying to V carve metal results in a lot of broken tooling — perhaps @wmoy will have a suggestion/solution — one thing to consider is modeling it in 3D and then cutting using suitable tooling.