Book excerpt: Up and Running with AutoCAD 2021: 2D and 3D Drawing, Design and Modeling presents a combination of step-by-step instruction, examples and insightful explanations. The book emphasizes core concepts and practical application of AutoCAD in engineering, architecture and design. Equally useful in instructor-led classroom training, self-study, or as a professional reference, the book is written with the user in mind by a long-time AutoCAD professional and instructor. - Strips away complexities and reduces AutoCAD to easy-to-understand, basic concepts - Teaches the essentials of operating AutoCAD that build student confidence - Documents commands with step-by-step explanations, including what the student needs to type in and how AutoCAD responds - Includes new exercises and projects for the AutoCAD 2021 version