This one is one of the best designs for cuban links locks very sturdy and already produced and working pretty good.

Messurments in Pictures

This for links size of 15mm 1.3mm stones in total 175 stonesWeights: 14K - 16.7 grs / 10.7DWT10K - 14.9grs / 9.5DWT

More Cuban Lock sizes avaible:

8mm-9mm Cuban link Lock: https://www.cgtrader.com/3d-print-models/jewelry/brooches/8mm-to-9mm-cuban-chain-lock-system

13mm Cuban Lock: https://www.cgtrader.com/3d-print-models/jewelry/brooches/13mm-cuban-link-lock-large-version-3-parts

17mm Cuban Lock: https://www.cgtrader.com/3d-print-models/jewelry/brooches/17mm-cuban-link-lock-large-version-3-parts

23mm Cuban Lock: https://www.cgtrader.com/3d-print-models/jewelry/brooches/23mm-full-stones-cuban-links-lock-3d-print-model

Need a custom design or modification feel free to ask me

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