A camper van interior built almost entirely by large-format 3D printing has come in roughly 1,500 pounds (680 kg) lighter than the plywood-and-aluminum fit-out it replaces. Buckley Conversions built the prototype on a 144-inch-wheelbase Mercedes-Benz eSprinter, with founder Brandon Buckley calling it “the world’s first ever 3D printed luxury van.” The saving comes from moving…