What Is 3 D Printing and How Does It Work , Mashable

3D printing is changing the way we produce objects, from tools and toys, to food, and even body parts. It s a tech revolution taking place in homes across the world. But how does it work exactly, and what makes it so efficient Mashable explains the basics of 3D printing technology. Sources: Additive Manufacturing footage courtesy of GE Aviation: Makerbot Replicator 2 photo: 3D Printing Food footage