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 ...

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.

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 ...