CAD courses can help you learn 2D and 3D modeling, technical drawing, and design visualization. You can build skills in creating detailed schematics, understanding material properties, and applying design principles to various projects. Many courses introduce tools like AutoCAD, SolidWorks, and SketchUp, that support drafting and prototyping in fields such as architecture, engineering, and product design. By mastering these tools, you can effectively communicate your ideas and bring your designs to life.