This document discusses product design processes and tools. It covers satisfying customer expectations, innovative design, computer-aided design, drafting, engineering, and manufacturing. The product design process involves conceptual design, 3D modeling, simulation and analysis, prototyping, and manufacturing. Simulation-driven development is important for meeting consumer expectations, innovation, competition and deadlines. CAD enables visualization, dimensioning, design for manufacturing and assembly. Popular modeling software includes ProE, CATIA, SolidWorks, UG NX. CAE allows predicting failure, improving design, testing new materials, and reducing costs. Partial lists of users for various software are also included.