3-D printing moves further into the mainstream, WSJ reports GE (GE), Ford (F) and Mattel (MAT) are among the companies using 3-D printing as it moves further into the mainstream than most people are aware, reports the Wall Street Journal. The technology is also known as additive manufacturing, because objects manufactured this way are built one successive layer of material at a time, and it's allowing manufacturers to get products to their customers more quickly. Reference Link