This model offers both .3dm and .stl files then you can modify dimension and details easily as you want
The ring size of original ring models for both rings are 54 (Internal diameter is 17mm) and they require; Round shape diamond/gems 3.5 mm for Prong-setting eternity ring Round shape diamond/gems 3.0 mm for Bezel-setting eternity ring
The model is designed based on daily use and everyday wearing. Then it's simply design but very gorgeous.