The digital designs also make it easier for the company to gain access to global suppliers who will quote the best prices for parts they need. Design files can simply be e-mailed to a vast network of engineering firms that offer their services online.

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Once road-testing and further development is complete, production of the Roadster is scheduled to begin at some point in 2018 at a refurbished industrial unit in the Brooklyn Navy Yard in New York, which is now home to a number of manufacturing companies. That is another feature of the way factories are quickly changing: with digital engineering, cheaper automation and new production techniques such as 3D printing, it may be possible to rev up inner-city manufacturing.

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