Hello Doddy,
Once I create the video, I will let you know.

The reason I haven't created one yet, even though the software has the functionality, is because my diy CNC bed is not flat and this is causing the pcb milling not possible: either it is completely cutting the pcb; not just the copper, or not cutting at all because of uneven z.

I see this problem with several DIY CNC machines. So I am adding a function in sandeepsCNC software to map Z before any cutting or carving.

Thanks