E ARLY FORMS of additive manufacturing, or 3 D printing as it is popularly called, began to emerge in the 1980s. But it took more than a decade for the technology to start taking off. Initially ...

What 3D printing is used for If you can dream up an object, especially if it's plastic, you are likely able to 3D print it. Think toys, jewelry, models, phone cases, molds, and more. There are ...