Do You Want Coffee With That Plastic? A Visit To ProtoPlant

The small plastic pellets sound like coffee beans being poured through pipe, as they make their way into a melting machine. In fact, the micro factory I am standing in can smell just a bit like coffee. You can imagine Willy Wonka would be pleased with the sounds and smells. ProtoPlant is the maker of 3D printer filaments, with a twist.