Thank you Keet.

<r>Hello,<br/>
I have to resize one vertical wall, but dragging it takes the horizontal wall with it.<br/>
How can I break the two walls in their intersection,so that the horizontal one is left unchanged ?<br/>
<br/>
See the attached sreen2gif for better understanding.<br/>
<br/>
<IMG src="https://i ...

Hi Keet,
thank you for the explanation. effectively in 3D I see through holes.

Here the images of two levels

https://postimg.cc/gallery/Xp0YKS1

<r>Hello,<br/>
I'm designing a Datacenter room with floating floor.<br/>
Level 0 with normal floor and all cables (electrical and network).<br/>
Level 1 with floating floor with 30cm elevation and all datacenter devices.<br/>
On this level I have removed some pieces of floor to have holes ...

<r>Hi okh,<br/>
in the meantime I've played with sh3d file, and have opened it with 7zip as archive file. I've found many folders, each of them containing one part of the roof.<br/>
I have imported all of them in my personal furniture library, that you can find here (the library also contains other ...

<r>Hi all,<br/>
I'm a newbie of SH3D, and I'm trying to play with it.<br/>
I know about difficult to build roofs, and have found this post<br/>
<URL url="https://sourceforge.net/p/sweethome3d/d-models/330/">https://sourceforge.net/p/sweethome3d/d-models/330/</URL><br/>
containing many roof elements ...