Ring STL 3d model for 3d printing 3D print model Ring Model is fully ready for 3d printing of plastic, metal or jewelry wax! Recommended material - silver and gold. 3d model was created for the jewelry. Size ring: 16 Size gem: big - 3mm (4); little - 1mm (10) Other sizes and format can be fabricated - it's FREE, just let me know what size you want. Any questions? Please contact me.