A 3D printed diamond

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Lockheed Martin, aerospace and defense corporation and a big name in metal 3D printing, has filed a patent application for a 3D printer that prints diamonds. Their diamond printer uses poly(hydridocarbyne), a carbon-based pre-ceramic polymer with structural similarities to diamonds. With 3D printing there’s a lot more potential for unique custom designs. If jewellers invest in them, it’ll be interesting to see how the cost of a 3D printed diamond ring might compare to a traditional one.
https://3dprint.com/146562/diamond-3d-printer-lockheed/?

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