I have recently gone thru a bunch of
Pluralsight training for
Fusion 360.
Pluralsight is by far the best online courses I have ever taken. Luckily my work pays for it. They have a free trial so you can see if it's right for you.
Fusion 360 is a pro level CAD program that is CNC and 3D printer ready. You can use it for free if you don't make over $100K per year using it.
I'm just getting started so I'm not at the point to offer help other than the above.
This is the first thing I made after watching a few classes. Before that it was so complicated I had given up on it. It's a large stepper motor for a future CNC build.
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"I hope yours took a bath once in a while, kid. This guy's armor smells like he lived in it."
―Han Solo to Luke Skywalker, while donning TK-422's armor.