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3D Printers Create Sound-Wave Rings And A Wedding Dress (3ders.org)
An anonymous reader writers: A Japanese company is using a 3D printer to generate unique rings shaped like the sound wave of each customer's voice. They generate the digital designs from three-second recordings that customers upload to their web site, and can print out the $300 rings in different colors and sizes, using either silver, gold, or 14K rose paint. 3Ders.org points out that another jeweler can now actually print a ring shaped like a customer's face, while a fashion designer in Sri Lanka teamed up with a 3D printing company for an even romantic product: a wedding dress. "The ultimate result of this was a super excited bride that not only had an especially memorable day but walked down the aisle with the only dress of its kind in the country."
Actually the rings are probably casted in silver and are not only coated by the metal. Usually the process for this kind of jewelery is like this: 3D Model --> casting wax --> make negative of wax model in plaster --> cast precious metal in to negative model --> finish product (polish/highlight/...) So the material worth of the jewelery can easily be quite high if you cast e.g. rose silver... The process is pretty well described at i.materialise: https://i.materialise.com/3d-p...