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