How can I remove windows, etc. from the 3D view, leaving only the structure?

[LeeJaeYoung]

[LeeJaeYoung]

thank you
I thought this was just something to see...
It is possible to save it separately in 3D view. thank you

[runxel]

This is the correct answer for this.

It's a bit counterintuitive, I agree, and even me as a long standing user had the same head scratch lately until I remembered how it works.