Skull set included: Rings, necklaces, earrings
There are 20 sizes of the ring. Sizes between 3 (inner distance 14mm) to 12.5 (inner distance 21.8mm).
There are two different necklaces in two different sizes (Height 15mm and 30mm).
There are an earring in 3 different sizes (Hight 15mm, 20mm, 30mm)
File format: .stl .ztl .obj .fbx
You can use .stl files to 3dprint objects. Preview suggests gold and silver material but it depends on your decision.