TECH - 3-D printing using old milk jugs

3-D printing lets anyone make almost anything with a simple machine and a roll of plastic filament. Now researchers have found a way to drive costs down even further by recycling empty milk jugs into filament. The process reduces landfill waste, saves on energy compared with traditional recycling, and makes 3-D printing and even better deal.

http://www.sciencedaily.com/releases/2013/03/130301153645.ht