STL+3DM Info about sizes shown on preview pictures All three sizes are in 3 versions:
Ring sizes: 16.5, 18, 19.5.
Gems: 1mm diameter round diamond cut.
16.5mm ring: 48 gems. Model volume 0.35cm^3(without prongs) or 0.36cm^3(with prongs).
Weight:
- 16.5mm ring: 3.6(3.5)g for sterling silver; 4.9(4.7)g for 14K gold; 5.6(5.4)g for 18K gold. - 18mm ring: 4.4(4.3)g for sterling silver; 6(5.9)g for 14K gold; 6.8(6.7)g for 18K gold.OBJ's was exported from Rhino as meshes and as NURBS surfaces & polysurfaces. Not tested (anyway model was natively made in Rhino for production and succesfully produced and sold and in this case OBJ is useless. I'm adding it just for better publishing score due to silly CGtrader better publishing recomendations)