Print at Dec 18, 2025, 12:23:30 AM

Posted by hansmex at Mar 19, 2016, 4:13:50 PM
Re: Several problem with using Sweet Home 3D
Walls are drawn with their X,Y coordinates through the middle of the wall.
Room surfaces are calculated from the inside of the walls, thus correctly showing the real surface within the walls.
When changing walls' length or thickness, rooms are not automatically adapted.

To correctly calculate wall length in the drawing to get a specific wall length in the room, you will need to calculate the wall length as follows:

(thickness wall A : 2) + wall length + (thickness wall B : 2)
as in your example:
(30:2) + 100 + (10:2) = 15+100+5 = 120

There have been many (as in MANY) discussions on the forum about changing this behaviour, but no one has ever been able to come up with a good alternative.

H
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