A couple of people here mentioned the learning curve on Fusion. I found the Youtube videos "Learn Fusion 360 or Die Trying" excellent. The presenter is a retired teacher, and he talks and walks you through from very basic - a box - to highly complex things like helical gears. I use Fusion all the time, and once you get about 6 lessons in you can quickly draft just about anything, and modify things from Thingiverse in minutes. I am not in any industry, just a regular Joe of average intelligence (I hope, anyway)
I highly recommend the series of you want to learn Fusion.