OK, strange behavior of the open door
now we have 2 solutions

and I've discovered magnetism in Sweethome3D

thanks

Thanks, but it does not work on my computer

I just foud the solution :
- create an open door but do not slide it on a wall, let it in the middle of the room !
- then resize it (it works)
- then slide it on the wall with the arrows of the keyboard, NOT with the mouse !
I'm done.

Have a nice day.

Hello from France

I'm talking about the "open door" you can see open in the 3d view.

It seems to be 1.8 meter wide open and I cannot resize the lenth of the door.

any idea ?

many thanks