Actually, put a motor & some batteries in it (oh, and wheels and a steering wheel and...) - it would be easier to fit an electric drive into that wacky chassis than an ICE with its bulkier and less-flexible supporting hardware. Let me be the first to stand in line to put one in *my* garage!
Cabe, actually few final parts on high-volume, production model street cars are made from 3D printers--I wish we'd gotten that far! But 3D printing *is* used in prototyping quite a bit for those models. 3D printing is also used extensively in very high-end cars and race cars to make final parts, and especially for replacement parts for race cars between races.
You can't put an engine and wheels on it (plus a few extras) and drive off. Besides, they'd all have to be redesigned, too. But this car body is a stunning example of what can be done when the tools for designing and making it are a lot less constraining.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.