This is not a complete 3d scan.. only a partial.. one sided scan..
more accurately a base relief extrusion.
In brief: the Google Camera has a mode called "blur mode" this mode actually scans the subject and records a Depth Map. the camera app can be installed via - https://play.google.com/store/apps/details?id=com.... (its the nexus' camera)
my method (in the video) is the more hands on approach where you learn how to do it in Blender.
the easier and faster method is below:
(you can do this on your phone itself)
where we use a website to extract a 3d model
more at http://ift.tt/1nxvbyW
For a blow by blow description of how i happened upon these methods,