Couple questions before I make the purchase

[Asdasd1234]

Ah ok, that makes more sense, thanks

[dc42]

..and in standalone mode, you can connect a PanelDue to it.

[DaBit]

It is possible to tell RRF a transformation matrix (M669), so transforming the machine coordinate system to match the workpiece could be done with some conditional G code. I think you would need variables though, and those are not supported yet.