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Huge 3D Printer Makes Buildings Out of Sand [VIDEO]

We’ve seen 3D printers before, but none quite this ambitious. Italian inventor Enrico Dini’s D-Shape is on a scale large enough to print entire buildings out of simple components: sand and an inorganic magnesium-base binding material. The three-dimensional printing apparatus has hundreds of nozzles on its underside, which spray the inorganic binding glue that turns […]