Prepared for printing or CNC-milling and tested STL files and Rhino3D source file for modifying or editing.
Model contains two variants: flat blank for pin/broche/pendant etc. and slightly spherized pendant with thicker outer surface.
Dimensions are shown on preview pictures (~16x13x2.8mm and 15x12x2.1mm ).
Model volume ~226mm^3 for main version and ~178mm^3 for flat version.
Weight for sterling silver ~2.23g for main variant and ~1.8g for flat blank.
OBJ's are untested (anyway OBJ format is useless for production), exported from Rhino as mesh and as NURBS.