<![CDATA[Manufacturing faces a gap between technological developments and engineering training programs, including vocational education, that play a role in preparing skilled workers. The main obstacle is the high operational costs and learning facilities, especially in CAD/CAM learning related to CNC, where students experience difficulties in creating CNC programs due to the inability to visualize tool movements and limited physical access to CNC machines. This study developed a textbook based on Autodesk Inventor (CAM) integrated with the Case Method to facilitate the design of drawings and simulations of valid and practical CNC programs. The type of research used is Research and Development (R&D) with the ADDIE development model. The results of the study indicate that the developed teaching materials are valid. This is proven by the material and media experts' assessment results in the "very good" category. The practicality of the textbook in the learning process runs well, as shown in one-to-one, small-group, and field tests that are in the "very good" category. This textbook, which was systematically designed according to the students' characteristics and learning strategies and integrates Autodesk Inventor and Case Method teaching materials, is expected to bridge the theory-practice gap and improve students' technological literacy critically and creatively.]]>
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