How can I select and extract lines from my 3d model?

[memarmanzar]

I want export a 3d model with only line . Please help me how can I do that.

[paul.millet]

hello,

in which format do you want to export it ?
If you want to export it as 3D dwg, go to the options dialog and uncheck “faces”, you’ll only get edges.
If you want to export it as a 2D file, such as PDF, go to view > face style > wireframe before exporting

[memarmanzar]

Thanks a lot Paul.
I can do it with your method