There's been a lot of buzz around 3D printing, the "next trillion dollar industry", and the process by which you can  "print out" solid objects, though a laying down of successive layers. 

The latest step forward is the Areion - the first car made almost completely from printed parts. It was an entry in last month's Formula Student 2012, an annual event in which engineering students compete with self designed race-cars. It's fairly fast, too: with a top speed of 88mph.

Here's a quick video: