“CadSpace enables you to manipulate objects in virtual reality, while sharing your vision in real-time with anyone in the world. One URL is all it takes to share visual ideas and get immediate feedback — no sharing large files that need complex software to view, no delays, no confusion.
CadSpace uses IBM Bluemix as the glue between the Autodesk View and Data API, and a Sphero toy as the interface. The prototype was originally built over a weekend. Its current state can be seen live.”
The diagram shows the high level architecture.
The VR device is basically just a smartphone displaying two pictures.
This is an example of the two different views.