Thanks :) I already did it this way for my roof rafters, figuring this would be the right way, after reading the "how to make a roof" tutorial :)
Just to make this tutorial complete (for starters who don't know about it): You need to "copy as new furniture" the walls first (sh3d plugin), paste it in ...

I don't think that feature exists. However, my idea would be to create an invisble object and increase its size to as big as you need, then place it accordingly to hide parts of the house. It should at least work for the walks, don't know what happends to the furniture it overlaps with (you can ...

Thanks for the quick answer!

About connecting walls:
You're right about the dialog box, I didn't consider cases of more than two walls. When I wrote that, I already had the idea of intersecting lines in mind, and such a dialog box would've eliminated the need of a second menu button. I'll see if I ...

While reading this thread, I had the same idea Hans mentioned in his last post. After selecting walls and hit the "connect" button, a simple popup with i.e. four buttons would be sufficient. Those buttons could look like
"E1 => S2" , "E1 <= S2",
"E2 => S1" , "E2 <= S1" (just example, with E as "End ...

One feature that I frequently miss in this wonderful piece of software, is easy management of walls (and maybe also rooms).
Letting walls behave like normal objects (like the inventory) would imply the following suggestions:

grouping of walls
naming of walls (and group of walls)
set visibility ...

This is a nice suggestion, as it took me quite a while (and few experiments) to figure out the meanings and behaviour of the level settings :)

Additional suggestion:
* "Elevation topside" should be modifyable as well, as
* 1,2 and 3 are all related to each other. Why not allowing modification of 3 ...