The manual complies with the State educational standards of training in the direction of "Design and technological support of machine-building industries" and the content of the approximate curriculum of the discipline "CAD of cutting tools" and is written based on the materials of this course taught at St. Petersburg State Polytechnic University. Detailed algorithms and examples of computer-aided design of the most common complex-profile tools are given. The book can also be useful for engineering workers of machine-building enterprises engaged in the design of tools working according to the run-in method.