The workaround is to place them then use sims 3 cam and zoom in close in cutaway.
Move walls attached to roof sims 3.
Once the roof is in place you can remove the support.
The only thing is the front wall has to be an even number of blocks wide for it to work.
Its a pain has no design sense at all and generally just looks lousy.
The sims 3 wall curving beginner and intermediate tutorial by nore negonc.
Here s one with the front wall four blocks wide and the roof raised up some.
The other problem is a message that says can t intersect other objects this one is because something is getting in the way.
Like this now just move into place on the right side.
You must work with the wall to find that height again.
Once you move the terrain under a guide wall the walls above it will again go back to normal height.
Putting all the walls down allows you to place wall hangings but then you can t move them.
If you need a roof to extend from the house to an outbuilding for some reason but without supports down its length connect.
Now lower the roof.
As you can see over the open reception area the roof is coming through.
Using the half gable tool place a roof along the thin outer edge of the second floor on both sides and a gable roof on the top section.
Just thought it was something that should be mentioned to the engineers.
Add a little trim work and your done.
Then level the guide wall.
Do the same thing with the left side of the roof.
I m not terribly concerned about it.
You can notice here that i had to lower the height to get.
That above is the problem i m having.
You can already see where this is going.
Start with the walls of your barn then go up a level and add another set of walls but make this set one space in along the sides.