The dolphin pendant is provided with ready-to-use OBJ and STL files. The model is fully prepared for 3D printing, and all dimensions are specified in the included documents.Units: millimetersYellow Gold weight 18KY: 5.25gSILVER 925 STERLING : 3.53GWatertight and production-readyPerfect for resin printing, jewelry casting, and CNC milling