CATIA V5-6R2012 for Designers introduces the reader to CATIA V5-6R2012, one of the world’s leading parametric solid modeling packages. In this textbook, the author emphasizes on the solid modeling techniques that enhance the productivity and efficiency of the user. This textbook consists of 17 chapters followed by Student Projects structured in a pedagogical sequence, covering the Part Design, Assembly Design, Drafting, Wireframe and Surface Design, Generative Sheetmetal Design, DMU Kinematics, and FreeStyle workbenches of CATIA V5-6R2012. A Command Section is given at the introduction of each tool that provides information about the method of invoking the corresponding tool. The text is followed by tutorials that are created using various commands explained in the chapter. This approach allows the users to use this textbook as a learning tool as well as a reference material.