Making silicone molds seems easy, but there are a lot of missteps to be made along the way that can mean the difference between a great, reusable mold, and one that’s a sad waste of silicone. If ...

Controlling the shape of tiny, inorganic structures could help us build light harvesting devices and other nanophotonic equipment. Previous methods for making them were limited in terms of controlling ...

Have you ever played with Rose’s metal? It’s a fusible alloy of bismuth, lead, and tin with a low melting point of around 100 °C. Historically, it’s been used as a solder for cast iron railings and ...

Forbes contributors publish independent expert analyses and insights. An author, speaker, and executive, I explore the world's industries. One of the promises of 3-D printing is that it presents the ...

This file type includes high-resolution graphics and schematics when applicable. On the left is an example of a 3D-printed metal mold printed with conformal cooling channels. At right are ...

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 ...

Thousands of different products require a mold in order to be manufactured. Canoes are made from a mold, lawn ornaments are made from a mold, many car body parts are made from a mold, and these are ...

In this video, we demonstrate the process of making a sprocket from metal scrap using sand casting techniques. It includes ...