this post was submitted on 10 Jan 2025
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Nah, monopolies like Luxottica can suck shit (although there are plenty of brands not owned by them that you can just as easily buy). Doesn't change that 3D-printed anything is made of cheap, relatively brittle material compared to easily affordable monel, titanium, and other metal frames. I can't speak to the durability of plastics manufacturers use versus what you would use DIY, but the metals have to be much more durable, and they consistently look much nicer than the 3D-printed ones I'm seeing online. Also, unless OP's are somehow way above the ones I'm seeing online in terms of quality, they're probably more comfortable as well; you can cope all you want that you painstakingly designed it to the contours of your face as much as I can cope that the t-shirt I weaved out of corn husks is better than that mass-produced crap because I tailored it to the contours of my torso.
It's cool, don't get me wrong, but this seems like one of the last ways I would try to cut corners financially.
It was definitely a tongue-in-cheek response to yours. FWIW, I mostly agree with you. I can also see their perspective, a 0.30EUR print + finishing time to clean it up (support removal, solvent vapor bath for smoothing, etc) and put the lenses in, even if they need to do this multiple times a year, still comes out cheaper than buying the frames, even if the quality is suspect. Plus, OP gets to wear their nerd badge with pride.
Personally, I've tried replacing EDC items with 3D printed versions and didn't have much success, but then again, I didn't invest too much time to rev the STLs I found or design better ones.