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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To avoid the gaps you can line them up with an overlap.
You can adjust the vertices of the model slightly to help facilitate this. The most natural-feeling way to do it in Blender is by using the Sculpt mode.
You can use a Boolean addition operation to then make the two models a single piece of geometry. Or not bother (if you are printing on FDM or at 100% infill in resin, it won't really hurt either way).
This feels like the way to go. Any tips on where to find a tutorial for doing this in blender? Or even just what I should google lol
At the very simplest, you can just overlap things in the slicer without Blender.
If you want to learn about Blender's Sculpt mode, you can just Google "Blender Sculpt mode tutorial". For convenience, try to use the most recent results, as the interface can be slightly different in older versions.
Sculpt mode effectively allows you to alter the models as if they were made of clay or plasticine.
A lot of the tutorials will be showing how to make things from scratch, but what's important is that you see how the tools work.
Once you have everything overlapping the way you want, you can join the using a Boolean operation. You'll want to use a "union" operation.
Thanks for the suggestions, I appreciate it. I'll give some blender tutorials a look.