Follow step-by-step instructions to create a 3D printable gear box with stacked herringbone gears in Fusion 360. Learn how to design helical and herringbone gears, move the body, create stacked and multi-level gears, use modify combine and create copy functions, build and extrude the base, and make post-dimension adjustments. Gain insights into printing the gear box on both Raise3D and Prusa 3D printers. Enhance your Fusion 360 skills and 3D printing knowledge through this comprehensive tutorial.