- Almost any type of metal can be sand casted
- Requires a pattern
Investment casting is a manufacturing process in which a wax pattern is coated with a refractory ceramic material. Once the ceramic material is hardened its internal geometry takes the shape of the casting. The wax is melted out and molten metal is poured into the cavity where the wax pattern was..
Both extremely accessible, cheap and durable! Definitely one to watch. Possibilities could be endless if done correctly.