Forget plastic, glass, ceramic, and metal. Sand could become the most important 3-D printing material out there.
Thanks to sand casting, which accounts for over 70% of metal casting, 3-D printing companies capable of printing with sand have a tremendous opportunity to benefit. In the video below, Fool.com contributor Steve Heller details the process of sand casting and how 3-D printing companies like 3D Systems (NYSE: DDD ) , Stratasys (NASDAQ: SSYS ) , and ExOne (NASDAQ: XONE ) could all stand to benefit.
Sand is just one huge growth material for 3-D printing. With the U.S. relying on the rest of the world for such a large percentage of our goods, many investors are ready for the end of the "made in China" era. Well, it may be here. Read all about the biggest industry disrupters since the personal computer in "3 Stocks to Own for the New Industrial Revolution". Just click here to learn more.