YSADES
Nice design.
This collection of rings is ready for 3D printing.Ring sizes 16 16.5 17 17.5 18 18.5 19 19.5 20 mm. Approximate weight of rings by size(GOLD 14K): 16mm-4.65g 16.5mm-4.79g 17mm-4.92g 17.5mm-5.05g 18mm-5.18g 18.5mm-5.31g 19mm-5.44g 19.5mm-5.57g 20mm-5.7g.