Using molds to shape things is as old as humanity. In the Bronze Age, the copper-tin alloy was melted and cast into weapons in ceramic molds. Today, injection and extrusion molding shape hot liquids ...

Find out how to create a mold with castable polyurethane using liquid polyurethane. A practical tutorial for makers, ...

Synthetic-quartz-composite mixtures cast to tolerance and use less energy than casting iron. The dark days of energy-hogging, poorly toleranced cast parts are over. A new casting method dampens ...