Hi,
I was reading your thread and I'm having the same issue at the place I'm currently working. When I assemble parts, I have to save the part file with the reference planes displayed if I want to use them to constrain the part in the assembly. Here's the kicker, the last place I worked this...
I have a complex PC board silkscreen in ACAD as a .dwg or .dxf that would take days to redraw. I would like to copy the cad data and "paste" it onto a model of the PC board using the geometry in the silkscreen to orient it to the model. If I can't do it within the part itself I am not opposed to...