The book is designed to quickly learn 3D modeling in the latest version of the AutoCAD 2016 computer-aided design system. The tutorial provides the necessary and sufficient set of commands for understanding the principles of work and getting started in 3D space. The book contains a large number of exercises, each of which is a complete real object. The publication is intended for users who have the skill to work in a two-dimensional AutoCAD environment. The material can also be useful for students, architects and engineers who decide to master 3D-doing.