Last year, there were only a handful of 3-D printing companies at the gadget show. This year, there were thirty, and the organizers had to turn others away because they couldn't fit them in. The 3-D printing area of the show floor drew dense crowds that gawked at the printers and their creations, which ranged from toys to tea cups to iPhone cases.
Melissa Spencer, a jewelry designer from Los Angeles, was at the show to look for a printer. 3-D printers have been used in jewelry-making for a long time, but high prices and poor resolution have limited their use. With prices down and output quality up, it's now possible for an independent designer to buy her own printer, Spencer said.
The printers focus bright ultraviolet light into liquid resin, setting it. That takes time. One printer maker cited 7 hours for a batch of five rings. The plastic pieces are then used to create molds for molten silver, gold or platinum.
Spencer is now toying with the idea of abandoning the reuse of molds, and instead using the power of a 3-D printer to make every piece a one-off, unique design, customized to the buyer. It helps that she can show the plastic prototypes to the customer before casting.
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