Carroll Shelby's iconic Cobra roadster has been making jaws drop for half a century now. To celebrate the 50th anniversary of the Cobra's debut the US Department of Energy built one of its own. The new Cobra's entire chassis and bodywork--from the passenger monocoque to the grille and headrests--were 3D printed from carbon fiber reinforced ABS using the Big Area Additive Manufacturing (BAAM) machine at Oak Ridge National Laboratory. And while the exterior of the new Cobra is nearly indistinguishable from its predecessor, they look nothing alike under the hood. The DoE's Cobra is, in fact, completely electric.