How 3D Printing Is Speeding Up Small Businesses

Since David Friedfeld took over ClearVision Optical from his father in 1985, he’s seen most eyewear manufacturing move overseas. The 120-employee company, based in Hauppauge, N.Y., is bringing a small piece of it back. Last year, Friedfeld purchased an entry-level 3D printer for just under $3,000. He still does the bulk of his manufacturing abroad, but he can now print eyeglass prototypes in-house.

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