Call me when the have nanobots which can build the thing from a a pile of metal dust.
Shirly it must only “print” the fuselage and not the engine and other high-tech mechanicals and electronics.
You've chosen the XL-19 extended frame. Excellent Choice! Now choose your color scheme. Now choose your extra features. Ok, give us about 15 minutes while your new car is printed out, if your would like to watch, come over to this window.
It's going to be an amazing world! Unless of course you're an auto worker, in which case your going to be relegated to the same category as the blacksmith and buggy whip maker.