Set contains STL model ready for printing and Rhino3d 3DM source file.
This ring was successfully printed and produced in metal.
Size: 18mm diameter.
Gems:
Model cumulative volume is 897mm^3.
Estimated weight is:
OBJ's are untested (I just exported them from Rhino as meshes and as NURBS'es because CGtrader stupidly recommends to add as more junk files and informations for better model rating... that anyway don't works).