Unfortunately, this is required because Inkscape does not use layer names as the ID in an SVG file. No, it doesn’t make sense, but that’s just the way it is. For any other PCB design tool ...

In a similar manner, you can batch convert PDF/EPS/EMF/WMF to EPS/PNG/PDF/SVG format using the same batch script file. If you use Inkscape and were unaware of this functionality, this tutorial ...

If you started with an SVG or similar vector shape ... solder mask removal layers and any non-circuit copper. In Inkscape it would be wise to use the layers feature to assign the different ...