The Metal Revolution: How 3D Printing Is Rewriting the Rules of What Metal Can Do

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There is a moment in every industrial revolution where the question changes.

It stops being can we do this? — because the answer to that is usually yes, given enough money, enough time, and enough specialized equipment. The real question — the one that separates a laboratory curiosity from a technology that changes the world — is can we do this here, now, by the people who actually need it, at a cost that makes sense?

Metal 3D printing has been answering the...