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 
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I would also recommend checking out SALOME for 3D modeling. I've been using the shaper toolbox to create geometry for fluid simulations and it's worked well for me. The shaper toolbox is parametric (as opposed to SALOME's geometry toolbox which is not).
After you've created your geometry in shaper you switch to the mesh toolbox to create your stl file. I think there's really good control over the triangle creations with SALOME. For example, you can specify edges and faces you want smaller triangles in (like around tight geometries, holes, etc). I've been able to get much higher quality stl files with this method than with freecad.
SALOME is free and open source software.
SALOME is definitely on my list along CAD Builder, which as far as I could see seems a more streamlined version of SALOME 9.09 focused on part modeling (at least from my 5 min quick look)