The book is divided into 5 parts, 21 chapters in all: Introduction Part covers application of AutoCAD in the industry, installation, newly-added functions and working interface of AutoCAD 2012 and basic operations of AutoCAD 2012 and settings before drawing; the Two-Dimension Drawing part mainly introduces basic and complex two-dimension drawing and editing objects; Computer-aided Drawing part fully introduces the use of characters and forms, size marking, segment and property, etc; Three-dimension part mainly introduces drawing and editing three-dimension graph; and Industrial Cases details the application of AutoCAD 2012 in architecture design, machinery design, furniture design and electronic and electrical design industries.