Last time we checked in with [CrafsMan] he had bought a benchtop injection molding machine. This time, he shows off how to 3D print molds. If you have ever had to spend to make tooling for injection ...

An injection molded, threaded cap made from a 3D-printed metal mold insert, right, created on a Mantle P-200 machine. Within reach of you right now are probably five to 10 plastic products, or parts ...