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Old 02-10-2019, 02:06 PM   #13 (permalink)
jjackstone
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Join Date: Jan 2008
Location: Sacramento, CA
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3-d printer?

https://www.luxexcel.com/

I haven't tried it myself but it looks interesting. I've read that this is near impossible to make clear lenses at home but maybe in the future as tinkerers get better at it.
JJ
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