chain or bracelet with a Greek pattern six options 3D print model

chain or bracelet Royal Byzantine with a Greek pattern six options You can see the dimensions of the model on one of the photos presented here.
if the length is 20 cm, then the weight of the finished chain is about 30-40 gr. 14K gold.
90% of my 3d models have been checked: made wax and finished product in gold or silver .Model are for 3D printer or cnc machine. High polygonal model.Made in program Matrix+Rhinoceros .