3D printing may well be the future of how we make things, but there is a lot of waste, and it uses so much plastic. That's why TreeHugger is so excited about this new printing medium, Easy Cheese. I have noted before that building materials should be healthy enough to eat, but Andrew Maxwell-Parish takes it to a whole new level.
The best 3D printer-in-action video ever
Demonstrating how to build a house out of cheese.