Copy+paste doesn't work on 3d models

[Shura228]

Hey, so I have this problem: 2D elements copy just like they are supposed to, but 3D models have copy and paste grayed out, and even Ctrl+C doesn't help.

Any suggestions? This file was exported from SketchUp.

[Karl Ottenstein]

Add your vote (like) here:

https://community.graphisoft.com/t5/Wishes/Copy-and-Paste-in-3D/td-p/37659