You probably know what 3D printing is—but I am willing to bet you don’t know how often it touches your daily life Take your smartphone. Even if your phone doesn’t contain 3D printed parts, it contains parts made with an injection mold that was itself possibly 3D printed. 3D printing shows us how small innovations can have a ubiquitous impact. Today, manufacturers rely on low-cost, additive manufacturing materials for tens of thousands of parts that the average person interacts with every single day. Your car is one example. The number of car parts you touch made with 3D printed injection moulds is considerable, from the armrest to the steering wheel to the button you press to change the radio station.

https://technative.io/the-invisible-widespread-world-of-3d-printing/