Thanks, it's exactly the problem!

Hi [:)]

I'm using SH3D 6.4.2. I would like to create a house in it then export it as a .obj file to be able to open it using Blender.

I did:
- selected my elements,
- went to 3D View > OBJ export...
- in the opening pop-up, selected Export all
- imported the .obj generated file in Blender

But ...