stone printer

This guy has built a printer that basically prints stone and he wants to use it in space, or some shit. I didn't fully read this article, I'm quite tired. I know I'm slipping. Let's just all take a cool tool.

http://www.fastcompany.com/1579263/3-d-printing-whole-buildings-in-stonein-space-this-printer-rocks?partner=design_newsletter

Draw your own conclusions (little illustration joke for you there)