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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Define "worth it"??
For many, it's a hobby. For many more, it's an adjunct to whatever hobby they do have. Hobby's don't have to save you money; and I'm militantly opposed to monetizing hobbies as a way to "justify" them.
Personally, I'm mostly 3d printing custom components (that I've designed), for R/C aircraft of various sorts. (Like, my cyclogyros, or the flying saucer powered by a 3d printed ducted fan; which is, more or less, a scaled model of the saucer from the OG Day The Earth Stood Still. or the thermal airship using toaster wire that has taken on a lot of different forms, ranging from 20' star destroyers to whale sharks to a robot named Buoyant Bob that hands out candy on Halloween.)
I also enjoy 3d printing as a hobby, in of itself, too. (and spend waaayyyyy too much tinkering on the printer. its fun.) But it doesn't have to save me money, and I feel no need to compare it to other forms of hobbies. It's what I enjoy.
edit: lets put this in perspective. This would be like asking a golfer if they found golf worth it. the only real questions are "Do I enjoy it" and "can I afford it". not "can it save me a buck".