As the patents for fused-filament 3D printers began to expire back in 2013, hackers and makers across the globe started making 3D objects in their garages, workshops and hackerspaces. Entire ...
3D printing typically involves depositing layers of molten plastic, laser-melting powdered metal, or using UV light to harden gelatinous resin. A new technique takes yet another approach, however, by ...
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