The plastics industry's guide for buying molds has been retooled after 25 years and is ready for review. The 14-page document, "Customs and Practices of the Mold Making Industry," covers the wide ...

Building a one-off prototype is usually pretty straightforward. Find some perfboard and start soldering, weld up some scrap metal, or break out the 3D printer. But if you’re going to do a production ...