Making Custom Concrete Pavers using Cardboard! Posted: February 24, 2025 | Last updated: March 8, 2025 I used cardboard to make silicone molds for custom concrete pavers. A hot glue gun and drill ...

A dark brown or gray color will provide opaque coverage to mask dirt, grime, and mold, while a silicone caulk's waterproof and mold-resistant formula is designed to provide a reliable seal without ...

I then used mold star 30from smooth-on to make silicone molds that can be used over and over to cast the concrete parts. There are only 3 different pieces needed to make this above ground concrete ...

Glass fiber reinforced concrete (GFRC) has a long history of ... With a bristle brush, brush the face coat in the mold to push out any air pockets, particularly in the corners and edges of the ...

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.