Shows how to use the leading technical drawing software-AutoCAD-and its less-expensive sister product, AutoCAD LT, in the friendly, easy-to-understand For Dummies style Shows first-time AutoCAD users how to create precise and efficient 2-D technical drawings and get started with 3-D technical drawings Topics covered include creating a basic layout; drawing and editing; writing text in drawings; plotting, creating, and editing external reference files;...