Perfect Hans, now is clear!

Thank you for all your help!

Guys, thanks for Google 3D warehouse tips!
I've still texture problem with some Collada models coming from Google, but in general all appear fine.

Hans could you please clarify: " Start your Warehouse search with filetype:zip and you will get only models that can be directly imported in SH3D ...

Thanks Hans for interesting approach.
Btw, I tried to import/export my previous example model, but nothing changes. Maybe I have to use also the texture contains into the zip file...

OK it's to hard for me, since I never use a cad, drawing or rendering application! Probably I'll use the default ...

Hello people I'm a new (and happy) user of Sweet Home 3D...
For sure I'm a newbie user and I've a little problem with 3DS object rendering. I downloaded many models from the Archive3D site, but all the time I've problem with rendering.

For example from this model: http://archive3d.net/?a=download ...