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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Afaik the firmware is self developed and closed source, so not free. as in freedom of code and free as in beer.
The software slicer is based on prusa slicer which is based on slic3r which uses the agplv3 which dictates that all works derived from the original code needs to be published as code under the same license. They do that. But the trick is that they add closed source modules that are essential for the whole system to work and therefore control their devices and ecosystem via restrictive licenses or plain unavailability of sources.
Regarding creality : the last time I used a creality printer it used marlin as firmware and it was trivial to compile and flash and modify.
But in general you don't need to make your product easy to jailbreak under most ooensource licenses, you need to publish the code. Those are two different things.