CATIA: – COMPUTER AIDED THREE DIMENSIONAL INTERACTIVE APPLICATIONS, CATIA have features of a CAD, CAM, and CAE, PLM etc, Developed by DASSAULT SYSTEM. CATIA is used for product design as well as used to define the manufacturing process also along with the simulation of product, Complex surfaces. CATIA is best for curved or complex surfaces mostly used in aerospace and automobile industries. CATIA is mainly famous for WIRE FRAME AND SURFACE DESIGN.