We typically use Fusion and Inkscape for CAD and vector designs. We've compiled a couple of resources for Solidworks below. Feel free to ask our staff any questions as well!
Free Software List for UCSD Students
InkScape Tutorial
Case Generator for Laser Cutting
Fusion Tutorials
SolidWorks & 3D Printing Tutorial (Overview)
SolidWorks Lessons (Learn SolidWorks)
Thingiverse (3D Print)
Makerworld (3D Print)