Technology
Desktop 3D printers slowly drool melted plastic into shapes
HERE’S THE INTERESTING PART
Manufacturing has peaked with machines that act like highly precise hot glue guns. Instead of carving away material, these devices violently force plastic filament through a heated nozzle, dragging a thin trail of molten goo back and forth. They build complex objects through sheer patience, painstakingly stacking microscopic layers of plastic spit.
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