Suitable for single and mass production. The main dimensions are shown in the image. The original NURBS Rhino 5.14 is attached. STL files are checked and ready to grow. The volume of 3D model is 114 (142) cubic millimeters. Weight of finished product in gold 585 (14 K) 1.25 (1.56) grams in silver 925 (22 K) 1.14 (1.42) grams. Figures in parentheses for non-lightweight models