This is a preview of the machine shops of the future. I have some pretty cool items that have been run in a rapid prototype. The ability to squirt high tech polymers is old news, and metal as a medium is not that far away. Just think being in Iraq and needing an M4 or a glock and someone pushes cycle start and in a while your new M4/ glock comes down a conveyor. Making complex assemblies will only be limited by the machines size. The metallic alloys will be a rough bump to conquer, it's only time.
There is testing being done on a large scale application of this process that uses mortar/concrete to build housing....Think,,,,desert + sand,= $$$$$$$
There are some similar technology's being used in aircraft, constructing wings and fuselages, similar to a spider making a cocoon, crossed with weaving a rug.
BTW the processes portrayed in the video are very,very real, after watching it it appears it was pieced together to speed the process up for a video, BUT what they are demonstrating is old technology, not a late breaking leak, it's been around for a few years now, and the machines much more complex and capable to do some cool stuff.