So I decided to learn basics of CAD modeling in SolidWorks, remaking the models using the exercises schematics from studycadcam.blogspot.com
Everything done under 10H
First ones were tough, as I've had literally no real understanding about how sketching and extruding works in Solidworks, but in the end, the last two were made in 15 mins each! These exercises are a really great way to sharpen the basic cad modeling skills, you should definitely try it by yourself!