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: !functionalprint@kbin.social 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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I have no idea from this if the increase in ghost guns was attributable to 3D printing, or if the increase even represents a significant number.
It also seems like this would be really difficult to enforce. You can buy hardware or kits to build your own printer, or you can buy an old printer off someone else.
All that said, if it represents a reasonable concern and they figure out a way where it's not trivially circumvented (both of which seem unlikely), I really couldn't care less about a background check.
A big part of the increase in "ghost guns" is that New York's definition of "ghost gun" includes not only the scratch made guns that most people think of as "ghost guns" but also any gun without an easily read serial number. So regular guns with obliterated serial numbers count as "ghost guns" in New York.