A larger part in Design course is AutoCAD, which is a software application for 2D & 3D aided design (CAD). Before AutoCAD was introduced, most of these CAD programs ran on mainframe computers or mini-computers. AutoCAD design is used across different industries. Architects, project managers, engineers, graphic designers and other professionals use very commonly this design software. AutoCAD with its variants are most prevalently used by clients across the world.