If you love taking things apart, take a look at this tutorial. I'll demonstrate how to make a custom CNC milling part in SolidWorks
SolidWorks is a 3D CAD/CAM software that's used by engineers and designers worldwide. It's well known for being user-friendly and easy to learn, so even if you've never used CAD before, it shouldn't be too hard to get started with this software.
custom cnc milling part