Hi to everyone!

i need an help, i've imported from Sketchup an .OBJ (first screenshot) of a boat in Poser 11 (second screenshot) and i don't know why inside the hull, rounded in red, the walls became invisible and we see through them. Only the internal walls, as you can see the externals remain. And this happen even if i import it in .FBX, 3DS, etc.

Is the problem the file itself of Sketchup? or is the importing in Poser? can anyone help me?

Thank you!

I wonder if this has to do with those parts being single sided meshes.Take a look at the properties tab on your screen right, there is an option somewhere saying something along the lines of "force backfaces display".

It may be a question of the direction of the normals. By default Poser, in preview, does not show facets that have normals facing away from the camera. They will show up in render. Switch on ' show backfacing normals' to see them in preview. 

As the others are saying, it looks like the back faces of the normals aren't displaying. To get them to display, go in to your render settings. On the preview tab, check show back facing. They should show then.

thanks to you all, i didn't know this option, you saved me!