Contents Part II: Mesh Tutorials | Chapter 3: Introduction to Curves and Surfaces | Print page 3.1. Import Geometry DataChoose File > Import > IGES File from the menus.Open hub.igs.Click Back render button.Right-click Rx render button (changes to Ry).Click Ry render button 3 times. « Chapter 3: Introduction to Curves and Surfaces 3.2. Create Line Sweep Mesh »