The Czinger 21C is made with 3-D printers.
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3D printing will be the future for a lot of manufacturing, whether it will be cars or other products including bridges etc. The challenge will be to get the 3D printers fast enough for reliable mass production.
As well as engineers to not be relying too much on “generative design” technology to “optimize” material use etc. or we may end up with “interesting” car models 
https://www.engineering.com/story/when-generative-design-backfires-vws-new-wheels
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