The book “Practices on COMPASS-3D V8: Machine-Building Libraries”, published by the team of authors, is a unique guide that will become an indispensable assistant for everyone who seeks to master a powerful design tool in the field of mechanical engineering. This work is not just a textbook - it is a whole workshop that immerses the reader in the world of three-dimensional modeling, allowing not only to study the theory, but also to apply the knowledge gained in practice. The book focuses on COMPASS-3D V8 software, which is widely used in mechanical engineering to create complex models and design various designs. The authors offer the reader a detailed overview of the engineering libraries that are an important part of the work in this program. They help simplify the design process by providing ready-made elements and components, which greatly speeds up the work of engineers and designers. The book will be of interest to both technical students and practicing engineers who want to deepen their knowledge in the field of CAD systems. If you are studying at the Faculty of Mechanical Engineering or already working in this field, this workshop will be a reliable guide for you. Readers interested in modern design technologies will also find a lot of useful information in the book. The topics raised in the book cover a wide range of issues related to design and modeling. The authors consider in detail how to use libraries to create various parts and nodes, and also share tips for optimizing the workflow. The book also touches on the integration of COMPASS-3D with other software products, making it particularly relevant for those working in multidisciplinary teams. The style of the authors is characterized by accessibility and clarity of presentation, which makes it easy to assimilate even the most complex concepts. Each section of the book is accompanied by practical tasks, which makes learning interactive and exciting. The authors use many illustrations and examples, which helps the reader to better understand the material and apply it in practice. COMPASS-3D V8: Engineering Libraries will be a great addition to any engineer’s or student’s library. It not only teaches, but also inspires the creation of new projects, opening up endless opportunities for creativity and innovation to the reader. If you are looking for similar works, pay attention to books on other CAD systems, such as AutoCAD or Solid. Works that also offer practical approaches to design. However, the uniqueness of the COMPASS-3D V8 Practice lies in its focus on the specifics of machine-building libraries, which makes it indispensable for specialists in this field. Do not miss the chance to immerse yourself in the world of three-dimensional modeling with this practical and informative guide The book will be your faithful companion on the way to mastery in design and will help you become a real professional in the field of mechanical engineering.