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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TinkerCAD has a low enough learning curve that it is successfully used to teach elementary school students how to model. I disagree with your "but it's a complex program, so it can't be easy to pick up."
Something being inaccessible to the masses shouldn't be a badge of pride. Make the basics relatively easy to learn, and design the complex elements in a way that builds on the knowledge used for whatever was needed to get to that point. If we want to increase usership of FOSS products, we need the barrier to entry to be at least on par with the commercial products, if not lower. In fact, dedicating a few dev cycles towards new user onboarding to walk people through sketches, extruding, etc. to make it as accessible as possible would make such a difference.