For engineering and design students, CATIA (Computer-Aided Three-dimensional Interactive Application) is a holy grail. Developed by Dassault Systèmes, it is the industry standard for product design, simulation, and manufacturing used by aerospace (Boeing, Airbus), automotive (Tesla, BMW), and industrial equipment giants.
The short answer is: The Free Solution: CATIA for Students Dassault Systèmes provides a program called “CATIA for Students” (part of the broader 3DEXPERIENCE Edu platform).