Catiatutor (https://catiatutor.com/) is a specialized online resource designed primarily for students and professionals eager to learn or enhance their skills in CATIA (Computer-Aided Three-dimensional Interactive Application). This website offers a range of tutorials, courses, and insights aimed at providing users with a comprehensive understanding of CATIA's capabilities for modeling, simulation, design, and engineering. The platform is suitable for both beginners and advanced users, offering step-by-step guides, video tutorials, and downloadable resources to facilitate self-paced learning. Catiatutor bridges the gap between theoretical knowledge and practical application, making it a valuable tool for anyone looking to excel in using one of the most powerful CAD software in the industry.