What is 3D Warehouse?
The Google 3D Warehouse is a free, online repository where you can find, share, store, and collaborate on 3D models. The easiest way to share your model of a place with the millions of Google Earth users is to upload it to the Google 3D Warehouse.
How to get stuff to add to your model?
How to submit (upload) content to Google for others to use?
To get to 3D Warehouse:
Or, in SketchUp, go to File > 3D Warehouse > Get Models
Google 3D Warehouse FAQs
Participants will add a few items from 3D Warehouse to their existing "house" project