I wanted to explore Bing Maps 3D. So I went to Bing Maps, clicked the 3D view button and installed the 3D viewer:
During the installation:
After this I had an option to actually participate in the 3D Experience and create my own 3D Models. This could be done via the 3DVIA Shape for Maps (beta) tool.
I took a screenshot of the environment where you can create your models (see below). You have to explore the other things yourself 
Let’s make some 3D!
