Tech Explained: 3D printing

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Three-dimensional printing was first invented in the 1980s by engineer and physicist Chuck Hull. He sought to create a way to allow engineers to rapidly create and change prototypes of their designs. Today, 3D printing has exploded from a niche technology to mainstream innovation. The printers come in all sizes – including many designed for use by home hobbyists, and can print in a variety of materials. Engineers or hobbyists begin by designing the 3D object using specialised software. Once the design is finalised, it is sent for printing. The printer creates the object by building it up from the…

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