Extracting a line drawing from "Technical View"

Is it possible to extract a line drawing that includes only the content shown in “Technical View” or “Pen View”? The best I can do is to capture an image.

I have a mesh taken from an .stl file. The mesh appears as I’d like it to only in these views but when I export to dwg, dxf or ai all the extraneous triangulated mesh information comes as well.

The views also only work on the mesh. When I meshtonurb and make 2D these views no longer reduce the amount of lines.

Right now, there is no way to extract curves from Pen/technical display modes I’m afraid.