About this 3D model

Summary The adapter allows the gearbox to switch to 13:1 (700 rpm at 5V) instead of the original 48:1 (190 rpm at 5V). None component is destroyed and you can go back to the original gear setup. https://s.click.aliexpress.com/e/_c3iPFeEd New setup excludes the 2 last gears from the diagram. Typical torque of the DC motor is 20 g cm, the original setup delivers near a kilo cm of torque (960 g cm) at 190 rpm, the new setup delivers 260 g cm at 700 rpm Post-Printing Cut off 1 mm of the bottom part following the groove in the model