3D printers will make the tools, structures and habitats space pioneers need to survive in a hostile alien environment. They will enable long-term human presence on the Moon and Mars.

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 ...

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 ...

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.

you’ll cast the mating silicone mold on top. There are two methods I employed. My usual is to use light glues like rubber cement, or blue tack to hold the part onto a flat surface, and then ...