Imported or Linked DWG Appearance as Generic Model Broken in 2017

Using Revit 2017, I have a 3D DWG file for some framing that I want to use as a coordination reference within a project file. Initially I linked the file directly to the project but that approach (unfortunately) doesn’t respect the cut plane of a plan view which, for example, means cripples above a header show up in the plan view too (header as well).

I decided I’d use the old create an in-place Generic Model family trick.

If you’re with me so far you’re probably expecting what I expected; to find that Revit regards this imported 3D geometry as generic model (cuttable) category information, giving me the look I wanted. However, when I clicked Finish Model the linked file disappeared entirely.

I thought for a moment, “Am I just imagining that I could do that? I swear Revit used to do this?!?”

Hmm, I decided I’d create a component Generic Model family instead and use Import CAD. This way I…

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