Building Maker
Addressing issues about using Building Maker:
Geo-modeling in SketchUp 8 - Building Maker now can be launched from inside SketchUp 8. Go to File > Building Maker.
Google Building Maker The online building program
Help SketchUp Help resource for Building Maker
Forums
Forum Official SketchUp forum for Building Maker
Map your World List of Official Google communities for discussions about mapping your world with the available Google mapping products.
[Tutorial] How to make Building Maker work on Linux Aerilius - Tutorial for SketchUp 7. xxx dead link
How do you make a cylinder in Building Maker? xxx dead link
Tips from NuclearMoose:
Tips from Beryldrue: