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My first thought was 3D printed as well.
What's the use case? Driving? I have a picture of myself wearing my current prescription [aviator frame] dark glasses that was taken in 1995.
I've given up on bifocals, I just take them off for reading and put them on when I leave the house. Them being a 6 or 7-year-old un-tinted pair.
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.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
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.Three conspiracy theorists walk into a bar --You can't say that is a coincidence.
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