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.
Prolific maker and product designer [Eric Strebel] has years of experience making reusable mold boxes for silicone and resin ... If you want to mold stuff like concrete and plaster, you may ...
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