Computer-aided design (CAD) is the use of computer systems to assist in the creation, modification, analysis, or optimization of a design. CAD software is used to increase the productivity of the designer, improve the quality of design, and facilitate communication. CAD output is often in the form of electronic files for manufacture.

The term “computer-aided design” is sometimes used to refer to the whole field of CAD, while “CAD software” is used to refer to the software that creates and modifies the designs.

CAD is one of the most important tools in the engineering design process. It allows engineers to …