Here is a process that would not have occurred to me. Make: Projects user Kiers knew enough about the machines used by eyeglass lens makers to know that they use a “dummy lens” template as a pattern to cut the outer profile of a lens. He found an accommodating online optician willing to use a customer-provided pattern to make frameless glasses, which allowed him to design a lens shape to complement his own face in software and laser-cut a custom pattern.
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