Why 3D CAD?
Pictorial Views Concept • Oblique Views • Isometric Views • Steps to Draw an Isometric Isometric Drawing-Aid Functions • Isometric Grid • Fixed Cursor Direction • Isometric Circles, Text and Dimensions • 2D Drawings to Isometrics Conversion 3D Modeling • Working with 3D Coordinates • Cartesian Coordinates • Spherical Coordinates • Cylindrical Coordinates Steps to Draw a 3D Model User-defined Coordinate System Displaying Views • View Coordinate Geometry • Object Coordinate Geometry • Displaying Isometric Views • Displaying Plans and Elevations • Displaying Perspective Views 3D Drawing-Aid Functions • 3D Ready-made Shapes • Extruding Objects in the Linear Direction • Extruding Objects in the Circular Direction • Shading and Rendering AutoCAD, MicroStation and Cadkey Terms About this Chapter