http://www.wanaplan.com/en/plan/

So easy to create walls with quotations, stairs or multiple roofs ...get inspired

P.S.
http://www.sweethome3d.com/support/foru ... hread,4534
http://www.sweethome3d.com/support/foru ... hread,4012
http://www.sweethome3d.com/support/foru ... hread,4341
etc.

[Note from moderator: changed misleading title]