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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F you're a beginner then I think my first advice to you is to not use Blender. Start with something like TinkerCad, much easier to work with, and more than adequate for what stated.
TinkerCad lets you add shapes together, and the neat thing is that there are also hole shapes, negative volumes that you can use to cut away material.
I tried with tinkercad, and I struggled. I was again able to align the shapes directly on top of one another, but when it came to modifying the actual shape I could not figure it out- is there a tutorial on adding shapes together or anything, or even carving stuff out?
I looked and couldn't find anything this specific. It seemed like a much easier tool to use, but I couldn't figure out how to do what I wanted. I also used
There are many YT channels about 3d printing that also cover TinkerCad. One of them is HL Modtech, this one for instance = https://youtu.be/gPeWdLQYfuA
I'll check it out. I liked tinkerCad when I used it, but it didn't seem like there is a way to trim either object to do what I wanted, so I wasn't sure if it's the right tool. Maybe a little user error on my end, so I'll look into it more
I didn't check your other responses about the actual shapes you want to work on, but IMHO trimming away some edges or pieces is really simple, just by putting a "hole block" on the material you don't want. Group the parts together and see the result.