3D printing has received much attention in the press over recent years. Hyped as the technology to bring about a 3rd industrial revolution, 3D printing technologies were in fact invented in the early 80s. They remained a niche technology until the expiration of a key patent in 2009 allowed many startups to emerge offering cheap consumer-level 3D printers. A media frenzy in 2012 thrust 3D printing into the limelight and major players are reporting dramatic growth in everything from consumer to high-end metal printers.
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