Mekkelek,

Ceilings and sloped walls do not make a happy marriage. Ceilings do not follow bends in walls.

So, if you have walls that are partially straight and partially sloping, you should subdivide your walls to follow the straight and sloping parts of your walls.

Send [url=mailto:hansdirkse@gmailcom]me[/url] your file in case my explanation isn't clear.

Hans