CAD (Computer Aided Design) began around the 1960s on the large computers of the time. CAD today solves any drawing need, whether for simple sketches, or complete projects for mechanics, architecture, civil, electrical, topographic and others. Each CAD software has its own specialty, those specialized in mechanics have specific functions for this type of project. Most CAD software has features for 3D Design. Check out the CAD courses and learn the best software.