Modular Surge ProtectorI have absolutely no idea where I had put the STLs for this but once I find them I’ll put them up. The pins and their sockets require a lathe and some drill buts, also you’d need some aluminum stock around 0.200”. Also the insides contain a standard surge protector, it’s just stuffed inside each cube in different parts.Works great though, I charge my phone and run my fan with it.