Textured or Smooth Class Ring 3d ModelThe recessed areas range for . 6mm deep to around 1mm. The top center recess is closer to 1mm allowing for more detailed patterns to be added. The side recesses are more standard around . 5mm . 6mm. The ring has been hollowed out underneath to keep the weight of the ring down. The internal thickness of the walls is about 1mm throughout. However is slightly thicker under the top to help balance the ring and still give it some weight. The bottom of the