Metal AM has been around for many years but we have since bumped into many problems that make it hard for the tech to scale up. The techniques required to deal with metal materials are still finicky and expensive. All this is gradually changing, as advances in material sciences and better industry know-how lead to machines that are cheaper yet performant enough to appeal to the Small Medium Business (SMB) market. We recently heard there are 160 metal 3D printing startups! Woh
