Option in 2d hidden line to export groups and components

[santiagom]

In the old atlast site, there was a video of sketchup sections finished in acad. This involved generating a section slice, making it a component, saving, opening and exporting this slice as a 3d dwg (not 2d). This process preserved all group and component information, which once opened in acad, became blocks.
Now, when exporting a 2d section slice, or a 2d hidden line, with perspective off, and perpendicular to the section plane, the resulting dwg is just a collection of small lines.