First, and possibly the most common, is injection molding ... Next you’ll find the ejector pin marks on the inside of the part, usually in the sturdiest parts of the piece.

Ejector pins help safely remove parts from molds after they have been made. Here are some tips on how to properly locate and use those pins. Ejector pins are the “bouncers” of the injection ...

If you want real strenght in plastics, though, or to produce a LOT of parts, you probably want to step up to injection molding. As it turns out, 3D printing can help in that regard, with injection ...

Metal injection molding (MIM) produces relatively small ... A MIM component is likely to have witnesses (marks from ejector pins, parting lines, and gates). When designing critical features ...