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Speedy 3D Printer Uses Light Projected Into Resin To Create Solid Objects All In One Go, Rather Than In Layers - Slashdot

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A research team from the University of California, Berkeley, and Lawrence Livermore National Laboratory has created a printer -- nicknamed the "replicator" -- that shines light onto specific spots in a rotating resin that solidifies when exposed to a certain light level. What this does is forms the entire item all in one go, rather that forming items by laying down one layer of material at a time, like most 3D printers. MIT Technology Review reports: "We've carried out a range of prints taking from 30 seconds to a few minutes," says senior author Hayden Taylor. He reckons that printing the same objects in the traditional way could take more than an hour. While the machine competes on speed, it still cannot match the details and size that other printers can achieve. The biggest item it can print right now is just four inches (10 centimeters) in diameter. Other printers can make things measured in meters. The sophistication of the machine lies in the software that creates...(continued)
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