Archive: https://archive.today/n5kHs From the post: >>Metal 3D printing is currently dominated by powder-based techniques like SLM (Selective Laser Melting). These processes yield incredibly precise parts, but the build times are slow. Furthermore, dealing with the powder increases manufacturing complexity: Whenever the powder is transported, loaded into the machine, or cleaned up afterwards, rigorous steps must be followed to prevent the loose spread of powder. (The powders are flammable and present an explosion risk, and can also cause respiratory issues for workers.) Following all of these steps adds cost, time, and risk.