Hello, thank you very much, I can't see walls of the ground floor through the second level. I just downloaded and installed new version, I will try again!

<t>Hello everyone, this is my first post here, love to use SH3D.<br/>
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There's one thing I'd like to do, please forgive me if it's already been asked I didn't find what I'm looking for.<br/>
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My house is an old farmhouse on two levels.<br/>
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To draw each level I imported the technical ...