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There is a new kind of 3D printer coming out. Known as Rapid Liquid Printing, this process uses a reusable water-based gel to support the prints. Right now, silicone is the only material being printed in this way, but with further research, other materials like plastic can become available in the commercial market. These printers can print larger items faster than the current 3D printing methods. Once finished, a 3D print from these new machines only needs rinsing off with water, since there are no supports to be removed.
See the video below to see the printer in action.
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