Dating back some 2,000 years, sand casting is the epitome of established and traditional manufacture. However, the process is being given a boost by the current buzz-technology, 3D printing. The installation of a large ExOne S-Print HHS at Shropshire-based family owned and run Grainger & Worrall, has allowed the company to modernise and offer an even faster turnaround service. While it did not come cheap,…