3DPrinting
3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.
The r/functionalprint community is now located at: or !functionalprint@fedia.io
There are CAD communities available at: !cad@lemmy.world or !freecad@lemmy.ml
Rules
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No bigotry - including racism, sexism, ableism, homophobia, transphobia, or xenophobia. Code of Conduct.
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Be respectful, especially when disagreeing. Everyone should feel welcome here.
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No porn (NSFW prints are acceptable but must be marked NSFW)
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No Ads / Spamming / Guerrilla Marketing
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Do not create links to reddit
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If you see an issue please flag it
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No guns
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No injury gore posts
If you need an easy way to host pictures, https://catbox.moe/ may be an option. Be ethical about what you post and donate if you are able or use this a lot. It is just an individual hosting content, not a company. The image embedding syntax for Lemmy is 
Moderation policy: Light, mostly invisible
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Oh, afaik even the typical SLA resin is "safe" in the sense that when it's completely cured, it's non-toxic (for now). But that doesn't help with the eventual degradation and microplastics, unfortunately. Also, people are wayyyyyyyy more careless with the uncured stuff and the fumes than they ought to be...
As far as the dental stuff is concerned, I have no idea if it's actually different and in what way. My guess is, either it must be the same, or else it's just so expensive that nobody sells it for the hobbyist market. If you find out different I'd love to know, a chance to sustainably resin print would be awesome!
However, if you look into this, watch out for the massive amount of greenwashing in this industry. They're doing stuff like selling the same old resin and calling it "eco friendly" or w/e just because they've like thrown some seaweed filler in it. Lying about the dangers, all sorts of stuff.
This is a big issue, especially considering that most filament/resin manufacturers are tiny companies with virtually no oversight. They do whatever they want and there's practically no mechanism to stop them from doing so.