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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Besides FreeCAD and Blender, there's also OpenSCAD (never used it myself, but it sounds pretty cool. Programming 3D models, I want to try it soon. Everyone says it has a high learning curve though)
Ideally you would want to get the hang of either Blender or FreeCAD, depending on what kind of models you're trying to make.
These are project cases for a Pi Zero clone, so FreeCAD would probably be the most logical choice. Though someone else commented a plugin for Blender that adds a CAD-like workflow to it.