Most of the commercial CAD software is free for student use. AutoCAD Inventor and Fusion 360 are good entry-level CAD packages. If you want to increase your talent-stack with high-end CAD, you can also get SolidWorks, but your mentor/coach will need to apply for a free sponsorship.
This document has all the links you’ll need to find software and various CAD libraries: https://drive.google.com/file/d/1mmvwPVaO8qjgIPSzsv_XGs2nt-q62UOh/view?usp=sharing