8MM Movie Film Reel

This is a reel for Super8 or Single8 film.
It is 10 cm across. Maybe, it can hold 100 ft of 8mm film.
You need to print one model of "reel.stl" and two models of "reel2.stl".
And, you need to fit models of "reel2.stl" into a model of "reel.stl".