This is your first step. getting software to mess with. i like fusion and its free! [https://www.autodesk.com/products/fusion-360/personal](https://www.autodesk.com/products/fusion-360/personal)

in this video we go over the type of thinking needed to actually start learning fusion. this is a hands on process so pick something simple and get to work. the goal here is to just to accomplish something.