Seems like most of the metal casting projects we feature are aluminum in sand molds, though, so it’s refreshing to see a casting project using silicone molds to cast low-melting point metals.

From there, a sand casting mold is built around the pattern ... settle for casting inanimate objects though; we’ve featured DIY casting processes for gears before, too. Video after the break.

Rapid prototyping uses three-dimensional (3D) computer aided design to quickly fabricate a part or, alternatively, a sand mold for casting a part from metal. Currently there are many limitations with ...