Milk jugs used for cheap 3D printing!
3D printing is a very cool topic and this news makes it even more intriguing:
With 3D printing, anyone with a 3D printer can make just about anything using a digital design and plastic filament. And while you can get simple open-source printers for surprisingly cheap (anywhere from $250-$500), one kilogram of the plastic filament can set you back between $30-$50. But there’s one solution that might be sitting in your refrigerator right now: milk jugs.
After reading the full article, all I can say is: how cool is that?!