gents ring with icelandic compass viking runes symbol 3D 프린트 모델

gents ring with icelandic compass viking runes symbol. american size 9 and 11.5(diameter 19mm and 21mm). 14k gold weith 10.5and 10.8gr.
two different options.there 3dm file for editing and stl for printing. you can see the dimensions of the model on one of the photos presented here.
90% of my 3d models have been checked: made wax and finished product in gold or silver .
high polygonal model.made in program matrix+rhinoceros . model was checked and fixed in program materialise magics.ready for the print.
mesh: vertex count = 221210 facet count = 210804