Seems like most of the metal casting projects we feature are aluminum in sand molds, though, so it’s refreshing to see a casting project using silicone molds to cast low-melting point metals.

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.

Description: RTV Silicone Adhesive Sealant Bonds Most Plastics Many Assembly Uses. Cures at Room Temperature To A Tough Flexible Rubber. Resists Shrinkage Perfect For Caulking, Sealing, Waterproofing ...

Plus, once your egg bites are finished baking, you can easily pop them out — thanks to the flexible material of the molds.