This document discusses 6 applications of CAD technology: 1) using CAD for mechanical engineering design and simulation, 2) using CAD to design printed circuit boards, 3) using CAD for geographic information systems to visualize and analyze spatial data, 4) using CAD with 3D scanners to create 3D models and animations, 5) using CAD for image processing and computer animation, and 6) using CAD for medical imaging like X-ray tomography.