Sailor Saturn’s chest and choker brooches, available as STL 3D printing files. The chest brooch is sliced into 3 separate pieces to allow for easier printing, but both the unsliced and sliced models are provided. The chest and neck brooches measure approximately 7.5cm and 2.5cm in diameter respectively.

This listing is for the 3D printing files, but you can find the physical 3D printed parts under "3D Printed Kits".