This professional how-to guide introduces Catia users to all of the information they need for successful feature-based design and 3D computer modeling. Fast-paced yet comprehensive coverage includes customizing toolbars, developing relationships between 2D geometrical elements, feature-based modelling does and donts, creating assemblies models, interacting with 3D solid model features and more. Issues of data exchange and interoperability between V4 and V5 are also addressed.