I'm using Fusion360, and trying to make changes to .stl files.
I would like to know what your preferred way to make changes to print files is. For instance, I was trying to combine a clamp and a cup holder and dealing with the resulting mesh files is pretty frustrating.
If there's any guides or videos on how this is generally done, that would be helpful as well.
I generally use a mix of fusion and meshmixer. Sometimes simplifying the meshes in meshmixer before importing to fusion makes your life a lot easier. Sometimes though it’s just easier and faster to model everything from scratch.
I think prusaslicer has also been adding some more tools for quick, simple edits also.
Attempt #1 was editing in blender, and it took 3h to get the file to slice correctly (I needed to remesh in blender sculpting tools to get the overlapping shapes to work).
Attempt #2 was importing the STL in openscad and doing a union() of the two objects. That worked perfectly the first time and took 20min.
(But it was way more annoying to pick exactly the right number to translate all the shapes around)
I use tinkercad to do most things, especially when it comes to combining models, adding some shapes or holes, etc. It's easy to use, you aren't inundated with features you don't need, and always exports an STL that your slicer can understand. I use blender for more complex things, but I know like 2% of what blender can do, so it's easy to get lost in there.
I've been very impressed with Prusa Slicers ability to do this kind of thing. I keep telling myself I'll do it in Tinkercad if I have any issues with Prusa slicer, but I always seem to accomplish what I need there.
I wish the 3D printing community would at least start uploading STEP files with their STL so people can edit without much trouble. So annoying to get something that has a license that allows editing but you are stuck with the garbage low resolution model that someone has exported that can't be edited directly.
Especially now that Prusa Slicer takes in STEP models I don't see a reason to use STL.