What is additive manufacturing?

Additive manufacturing (AM) is the process of creating products by adding material using one or more techniques. This is the opposite of subtractive manufacturing, which produces products by removing material. Many products are produced using a combination of these two techniques. To manufacture a plastic shape, you may use additive manufacturing to layer plastic materials then use subtractive manufacturing to cut and shape the plastic. In recent years, AM has started to focus on advanced techniques like 3D printing, where complex products are created layer by layer, using one or more materials. The main job in AM is that of an additive manufacturing engineer, although rapid prototyping may utilize this process to create a small model of a potential product.