In this episode Ben shows how to use silicone to make reusable mold for casting concrete. This is an easy process for making a concrete copy of an existing object. I used Mold Star 30 silicone rubber ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The Greek polymath Archimedes is said to have solved the mystery of ...

Hackaday Editors Tom Nardi and Mike Szczys comb through their favorite hacks from the past week. We loved Donald Papp’s article on considerations before making the leap from FDM 3D Printers to a resin ...

Prolific maker and product designer [Eric Strebel] has years of experience making reusable mold boxes for silicone and resin casting. He’s always used 3/4″ plywood before, but it comes with some ...

POP Projects is a collection of new and classic projects from more than a century of Popular Mechanics. Master skills, get tool recommendations, and, most importantly, build something of your very own ...