The model is made for mass production (master model). File STL checked and without errors. Resolution 0.01 millimeter. The main dimensions are shown on the image. The volume of the model is 204 cubic millimeters. Inserts 28 round gems with a diameter of 1 mm . Weight of finished product in gold 14K 2.2 grams. Weight of finished product in silver 22K 2.0 grams