Currently there are many limitations with rapid prototyping to create sand molds and cores for casting parts: speed, accuracy, consistency, strength, and cost. At WMU, sand mold, rapid prototyping has ...

green sand molding, shell molding, investment casting (wax press, tooling and cure furnace), gas and crucible melting, no-bake core melting, evaporative pattern casting and grinding and finishing.

Like many projects, a combination of techniques yields the best result, and in this case we get to see 3d printing, sand casting, lost PLA casting, lathe turning, milling, and even some good old ...