This is one of the best cuban rings links design you can get.

This one is a 5mm width most like for womans and kids

Metal Weights in pictures

9 differents ring sizes avaible from size 4 to 12 all size are un US format

This are like the most popular design already in production and test it

Made by a Miami Designer

This are Cad models in STL format for 3D Print and Production - Each Size comes with a STL with the size name.

Any Change or custom size you can contact me also for any other custom order.

Also avaible in another wide sizes:

8mm Wide

https://www.cgtrader.com/3d-print-models/jewelry/rings/cuban-rings-8mm-version-for-3d-print-and-production-19-sizes

More of my models at:www.cgtrader.com/ferocar