Suddenly, Lexus’ hoverboard doesn’t seem quite so impressive. The automaker has unveiled the Origami Car, a fully functional electric IS sedan whose main body, interior and wheels (!) are made out of cardboard. The designers laser-cut 1,700 based pieces based on the digital model of the regular car, and stuck them all together using wood glue — that’s not exactly a quick process (it took 3 months to put everything together), but this would have…