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From video description:

Just in time for the 2013 Holidays, HYREL 3D changes the economics of 3D printing with a single, affordable machine.
Whether one of HYREL's Engines or Systems, all are able to fabricate multiple parts simultaneously.

What this means to you:
If it currently takes four hours for your 3D printer to print / fabricate a single part and you need four of the same parts, it will take at least 16 hours total with a single machine.
With a single HYREL Engine or System, your capacity to fabricate parts simultaneously on the same machine opens up the bottleneck, saves you time and valuable shop space.
So, if you need two, three, or four fabricated parts... or if you need a small production run of parts...
... or if you'd like to mix in other materials with our different extruder heads -- you can do it all on your HYREL.

Other Materials include:
Sugru, Clay, Porcelain, Precious Metal Clay (PMC), Silicone RTV, Play-Doh, Plasticines... and coming soon, Wax, Chocolate, Cheese, Peanut Butter... etc.
For the material in the video, we used four colors of ABS. Each of the Mk1 Extruders in the video have been tested and verified to fabricate parts with the following types of filament: ABS, PLA, Nylon, PET, & Rubber. More filaments are currently being tested and more will be certified as 3D printable with the Mk1s in early 2014.

http://www.hyrel3d.com/

Very powerful 3d printer from Hyrel! Many advanced functions and technologies like: embedded PC with touch LCD screen,  interchangeable hot swappable programmable multiple extruders, live Z trim on-the-fly, real time changing of print settings, air filter, remote control ...