3D printed sand molds and cores have revolutionized the way metal casting is performed. Unlike conventional methods, which require extensive tooling and manual labor, 3D printing allows for the direct creation of sand molds from digital designs. This not only shortens production time but also enables manufacturers to create intricate internal structures that were previously impossible to achieve. The technology is particularly beneficial for foundries, where precision and efficiency are crucial. By using 3D-printed sand molds, companies can significantly reduce costs and enhance the overall quality of casted metal parts.