How Invisalign Became the World’s Biggest User of 3D Printers

Joe Hogan sees a lot of smiles. When people ask him where he works, he responds with “Align Technology,” which inevitably prompts the follow up, “What’s that?” It’s the $12 billion company behind Invisalign, the hellish and expensive pieces of clear plastic worn about 22 hours a day that brute force teeth into better alignment. After months, sometimes years, the discrete rival to braces promises to give people smiles they will want to show off. Hogan gets a look at them all. And he’s eager to see more.

Align is embarking on its biggest manufacturing overhaul since it was founded by two Stanford Graduate School of Business classmates 29 years

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