Create a custom PCB panel (gerber) with several subpanels of 3x3 grid of several PCBs
- Add fiducials and mouse bites where required
- Add CNC routes for board separation
- No mousebites for PCBs in grid (just CNC routing for separation)
- mousebites for subpanel separation
- Add subpanel labels (text)
Reference: https://github.com/apertus-open-source-cinema/gerbmerge