Molder’s World, Inc. is the global manufacturer of Vortex® self-venting mold steel. We are a full service insert and component manufacturer that specializes in build, maintenance, design assistance, and professional cleaning of Vortex®, porous mold inserts. Molder’s World also sells Vortex® mold steel, & mold components. Incorporated in 2001, Molder’s World excels at delivering affordable quality with short lead times.