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 ...

CONCORD, N.H. — What's the difference between cement and concrete? In my case, about $9, 55 pounds and a slightly sore back. Though the two terms are often used interchangeably, cement is an ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. If you’ve got access to a 3D printer, some concrete, and a few ...