response: I see. It is used to help the design with things like modification, creation, optimization and analysis.
original_response: I've heard of Computer-aided design, which helps to create, modify, analysis, and optimize a 3D design.
history: I enjoy making sculptures. It is considered a plastic art. I've being toying with designing sculptures digitally with CAD and then 3d printing them. I'm not sure what CAD is, but I do know about stereolithography. It's one of the most common file types for 3D printing. CAD is computer assisted design.
knowledge: Computer-aided design (CAD) is the use of computer systems (or ) to aid in the creation, modification, analysis, or optimization of a design.