Simple Money Shooting Machine

Festivals are very joyful, so people hope to spread joy by spreading paper money, just like what the God of Wealth does.Referring traditional printers or currency validators, I have created a simple version of the 'cash dispenser' (Money Shooting Machine) that can quickly 'shoot' cash out. At first, I tried to rotate the shaft directly, but my hand speed was not fast enough. So I made two gears with a gear ratio of 5:1, which can increase the speed by 5 times, and the efficiency of shooting is much higher.Because it is only for entertainment purposes, this version is currently sufficient for use. Although there may be some minor issues, such as the installation of the shaft being relatively tight due to different materials, this tolerance is difficult to control. If it is too loose, it may not be good. Therefore, I only reserved 0.2-0.3mm, and I was able to successfully assemble them. In addition, for the friction wheel part, I only kept a single-layer wall, so there ma