Affordable high-temperature 3D printers at home: 
3D printers have been around since the 1980s, but they didn’t gain popular attention until they became open source, thanks to the RepRap project. RepRap stands for self-replicating rapid prototyper; it’s a 3D printer that can largely print itself. The open source plans were released in 2004 and led to 3D printer costs dropping from hundreds of thousands of dollars to a few hundred dollars.
read more: Opensource.com jmpearce
Supporting Open Source.
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