Strong Flying Propeller / Pull Copter No Supports

Update 10.02.2023:I remixed the rotor with the toroidal design :) Feel free to test ist out!https://makerworld.com/de/models/54749#profileId-56494In addition, there are now many other great remixed propellers from other users. You can find them connected to this print or my toroidal propeller. HiRecently my son came home very sad because a friend had such a fancy flying propeller from the 1€ shop.Of course I had to sit down directly at the computer and after the first prototype was already