You reminded me, that some time ago I created drawing that behaved depending on the part on drw. For sure it was done for family table instances (flat state is also an instance). I'm not sure if i used drawing reps or drawing program or both.
Maybe this is way that should I follow by...
I'll check it.
but thx a lot for your engagement.
Manufacturer doesn't need 1&2 sheets, but it will be perfect to keep all information in one drw file.