Learn to design a SMARS robot motor holder using Fusion 360 in this comprehensive tutorial video. Follow step-by-step instructions to create a new sketch, dimension it, and add features like soft tower areas, chamfers, and body joins. Explore techniques for slicing, push-pulling, and creating new sketches to add the chassis, battery, and motor components. Master skills in copying, rotating, and joining elements, as well as locking parts into position. Dive into section analysis and appearance customization before assembling the final design. This tutorial is ideal for those interested in 3D printing, robotics, and Arduino-based projects, providing the knowledge to create low-cost, open-source robots.