Given Mr Musk's strong interest in novel ways of doing things and the very generic design of Tesla's rolling chassis/drive train, I wonder if one day you will be able to design your own Tesla and 3D print the panels/body needed to produce a completely unique vehicle or one designed for a specific utilitarian task? If you started off with some unchangeable bits (including the rolling chassis-cum-drivetrain and a standard parts bin then you could design everything else as you want... MW