Pouring molten metal into three-dimensional molds to make metal parts is the basis behind both sand and investment casting. But there are significant differences between these two methods. In sand ...

Watch the complete process of creating a brass axe — from melting scrap brass and pouring it into a sand mold, to shaping, grinding, and polishing the final piece. Every step is done by hand: sand ...

There exists a need for ever more accurate parts and products to be created, and to be created quickly and efficiently. One way of doing this is to use rapid prototyping technologies. Rapid ...