A man in Minnesota built a 3D printer and used it to make a beautiful castle rise from the earth layer by layer. There's no dragon -- yet.

Rudenko, in conjunction with some other helpers, used an unspecified 3D printer to create the castle using layers of concrete. As can be imagined, he ran into some snafus, among them being the ...

Shuri Castle in Naha, Okinawa burned down in October, devastating islanders. Its last rebuild took 30 years, so a 3D digital reconstruction of the Unesco World Heritage Site from photos and ...