Shells is a leading producer of outsourced cores for the foundry industry. We offer a full-range of core-making services including cold box and shell cores. Shells 3D offers the foundry industry with 3D printed sand cores and molds that are sophisticated and elaborate, in less time. We use a binder jetting technology to produce resilient, no-assembly 3D printed sand cores and molds for the highest quality castings. (less)