3D print your own Sailor Moon Crystal pendant and broach. Find out more about the modeling process at https://www.youtube.com/watch?v=Z41fe3B7hIQ
Scale the models up 300% for the large one and 200% for the necklace.
Print the broach.stl in a gold color (Or use coperfill for extra points)
Print the broachBallHanger.stl in red with supports on.
Print the broachBall.stl in yellow, blue and green with supports on.
Glue the balls on to the broach with the red at 12 o'clock, yellow at 3, blue at 6 and green at 9.