Solar system operation model

Note: Please read before printing 1. Additional accessories, 150 screws M2 * 10 (used to fix the smallest gear) M2 * 30 (used to fix the planet on the ring) 2. Principle: Beneficial for planetary gear acceleration principle, driving the outermost star ring, layer by layer acceleration, driving the operation of the galaxy model, simulating the situation of the real solar system, the closer the planet is to the sun, the shorter the period of operation 3. This was originally meant for children to play with, and although the friction during operation was estimated, it is unknown whether children can move it in the end. If you really want to print, please check whether each gear is printed perfectly, without any major defects, and lubricate each gear to reduce friction. Good luck.