The modular power unit is able to be swapped in and out of the various projects that require it that this team creates. Beyond that I don't know anything about it. There's also a compressed earth block machine and other things that use it. This team has been working on this since approximately 2011? It was started by a former nuclear engineer named Marcin Jakubowski. They're based out of Missouri and they dog-food their tools to build and maintain a small "village" there.
I just wanted to comment today that beside OSS, SciHub and Library Genesis we need Blueprint Hub to move Civilizarion forward. Happy that some people work on it.
He had a ted talk sometime ago as well: https://www.ted.com/talks/marcin_jakubowski_open_sourced_blu...