We’re accustomed to covering the use of 3D printing in casting, usually as a lost-PLA former in metal casting. That’s not the only use of the technique though, and perhaps one of the simplest ...

Barrett began using 3D printers to create custom chocolate designs for her clients. The printer creates the mold and Barrett pours in the melted chocolate. Then it's all set aside to cool.

This tutorial on how to cast metal parts from 3D printed silicone molds is a perfect example of how useful a 3D printer can be when you are looking to make a custom and durable metal part at home.