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Elon Musk says 'we dug our own grave' with the Cybertruck as he warns Tesla faces enormous production challenges
(www.businessinsider.com)
This is a most excellent place for technology news and articles.
Scale that up to a 4 ton production-ready consumer vehicle without introducing defects, I imagine
The heaviest Tesla is around 2.5 tons...but that's beside the point.
The scale doesn't matter. In fact, taking a desktop process and industrializing it makes it more accurate and repeatable - especially in a large-item manufacturing setting.
The best argument against the 1 micron requirement is that it's unnecessary from a practical standpoint. I completely agree with that, for sure.