Based on images of Ahsoka's armor from Star Wars Rebels.
Bases: Bases should measure ~3" tall. Print one Left base and one Right base. The side that is curved more faces toward the front of the body, with the side that is left curved facing toward the back of the body.
Hooks: Hooks should measure ~2.5" tall. Print two of the Hook file, as you will need one for either side.
I have not printed this item yet. Feedback welcome!
At the request of a few cosplayers I have added a new file: Curved Tano Hook Bases! The new file has both the Left and Right hook bases with a curved backing to allow for a closer fit against curved armor pieces. If you use this file, you will not need to print Left Base or Right Base. Simply print the Curved Bases and two Hooks.
If you prefer the flat backing, print two Hooks and one of each Left Base and Right Base as before.