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QR code ‘clouds’ protect 3D printing from piracy

Researchers have developed a way to prove the authenticity of a 3D-printed part by employing QR codes for unique device identification. The worldwide market for 3D-printed parts is a $5 billion business with a global supply chain involving the internet, email, and the cloud—creating a number of opportunities for counterfeiting and intellectual property theft. Flawed parts printed from stolen design files could produce dire results: experts predict that by 2021, 75 percent of new commercial and military aircraft will fly with 3D-printed engine, airframe, and other components, and the use of AM in the production of medical implants will grow by 20 percent per year over the next decade.

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