The video demonstrated how a wrench was replicated using the 3D printers.
What makes it even more impressive is that the moving parts of the wrench was also replicated which makes it as good as a real wrench.
This is one helluva cool technology, when can I get my hands on one? or more importantly, when will it ever hit into the consumer market range. 

Our NEW product is the portable, manual, ultra-compact and light INK-JET printer equipped with a print-head with electromagnetic valves; it is battery operated and radio-controlled. This unique device - weighing only 980 grams - has been created to satisfy users for whom the freedom of product marking, coding and labeling in terms of place and time is the fundamental criterion.

Not sure if this is old technology, but I was quite convinced for a moment that this wasn't real.