Computer-aided design refers to the process of using computer systems to create, modify, optimize and analyze design. These systems have been applied to enhance communication, efficiently increase design, enhance design quality, increase manufacturing operations, etc. The computer-aided design is used in aerospace industry, prosthetics, shipbuilding, architectural design, advertising, animations, automotive, etc. Such selected concepts that redefine CAD have been presented in this book. The topics covered in it deal with the core aspects of the area. It includes in-depth information about the use of this technology in the present day scenario. The textbook will provide comprehensive knowledge to the readers.