Ring Sizes (swiss 12/14/16/18/20) X Ring. Ready For Print Hello Everyone. I am professional jewelery cad designer. If you like my models and want to buy at a reasonable price So you can send me an offer according to your budget. And if you have any order work of your own, I can do that too at a reasonable price according to your budget or if you need to edit your file I can do that too. I use Gemvision Matrix 9 jewelery software And Rhino 5 software. If you like my models Please give me like and leave a good review THANK YOU SO MUCH.