crank fan

I have not had the time to print and test this but I spent about 3 hours on it, so if you print it please let me know if it works in the comments section. The only part that I don't know for sure if it will work is if the small gear on the crank shaft's teeth will line up with the large beveled gear because I used the same file for both gears and just shrunk the gear for the crank but once I know how to do more on Tinkercad I will revisit and revise this project but if you make this please let m