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Do I need to learn a 3D modeling software?

So, I'm trying to print some older models from thingiverse and I have discovered that basically all the files I want to print have glaring flaws in them.

Internal free floating structures, connector pieces and holes that are the exact same size... So on and so forth...

Do I need to learn a software like CAD or Blender to fix these? I seem to be able to do some basic stuff in Orca Slicer but it honestly seems like as much of a pain to modify the parts there as it would be to use a real software.

Is there one that's easier? I think I messed around with SketchUp once upon a time.

I am worried this feels like opening a can of worms just so that I can make a thing that already exists in a dozen forms better.

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  • In my view CAD is always worth learning, especially if you understand what prints best on your printer.

    FreeCAD is basically the worse possible beginners tools. Don't get me wrong when you learn it, it's good and comparable to professional CAD software. But the learning curve is dumb.

    Learn the basics first. TinkerCAD is free (from Autodesk) and will get you started. But if you want something which would take you further Fusion360 is fantastic for beginners.

    The workflow of CAD is as follows. Sketch -> Action -> Sketch -> Action. Lets say you want to make a box with a hole in it. Sketch the outer box -> Extrude it -> Sketch the inner box -> Extrude/Cut it.

69 comments