Watchmakers Loupe
thingiverse
Just a little design that I did on Fusion 360. I am a watchmaker, who regularly suffers with my eyeglass steaming up, so I designed a loupe that would stop that. Very lightweight, very airy and allows extra vision when close up. Thought other people might benefit from it. It takes a little convincing to print well, but after a little playing around it should be spot on, depends what filament you are using and what printer, etc. I used eSun PLA 1.75mm. 100% fill, 0.1mm layer, full support. I have a 10x lens fitted, but any lens should fit really.
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