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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Oh he is STILL at it? Wow, that's 5 years? Or more? Gotta give him this: he's persistent! I watched him at first, even if it's infuriating at times, but eventually even I lost interest, and I build shit like that myself. No marble machine, but giant mechanical calculators, a pneumatic organ, boats etc But I think that's what happens when musicians fabricate stuff. I know one who builds his dream guitar for 16 years. Next year he'll be done. So he says. But then again, so he says for 15 years.
Even worse, he threw out the machine to start over.
Both machines are on display at a museum in Germany. Volunteers have iterated on MMX to the point where is can play music https://www.smmk.de/marble-machines.html