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The D.I.Wire bender is a rapid prototype machine that bends metal wire to produce 2D or 3D shapes. Wire unwinds from a spool, passes through a series of wheels that straighten it, and then feeds through the bending head, which moves around in 3 dimensions to create the desired bends and curves. Vector files (e.g., Adobe Illustrator files), text files of commands (e.g., feed 50 mm, bend 90° to right...) provide DIWire's instructions. It's essentially a 3D printer that describes lines, instead of volumes, in space, and it could be used for anything from prototypes to customized products.