Master AutoCAD is a free app for students and teachers that teaches the basics of AutoCAD. The app includes a complete set of tools and commands to help you design and create 2D drawings. You can learn to create basic drawings, such as lines, arcs, and rectangles. You can also learn to create and edit 2D shapes and use the drawing tools to create and modify 2D drawings. The app also offers an extensive collection of tutorials and videos that teach you how to use the tools and features. You can even use the app to create 3D drawings using the 3D drawing tools. The app is also available in Spanish. It is available for Windows, iPad, and Android devices.