(...) Are there many parts that will need this surface? It doesn't seem like it would be that common... If it would help you to have a subfile, then create a subpart file rather than a primitive. If I've totally missed the point of your question, (...) (20 years ago, 13-Sep-04, to lugnet.cad.dat.parts)
(...) I think I'll just create one part of it all. I don't think a primitive nor a sub-part would be necessary. Thanks. (20 years ago, 14-Sep-04, to lugnet.cad.dat.parts)