Ready for production STL and editable 3DM (saved as Rhino v7 and v5 for better compatibility) rings.
Miansai-like design (Quartet), I've just morphed quadrat shape into the CRT puffy shape. And for the second set I've changed the back half of the shank to the round shape
Sizes presented: from 5US to 12 US with the step 0.5 (5, 5.5, 6, 6.5 etc... to 12).
Gems: 3 pieces of 1.75mm round cut diamonds.
Band height: 2mm;
Band thickness: 1.7mm.
Model volume for Quad set varies from 207 cubic mm to 273 cubic mm (estimated weight for sterling silver will be from less than 2g to less than 2.7g)
Model volume for Half-Quad set varies from 193 cubic mm to 257 cubic mm (estimated weight for sterling silver will be from less than 1.9g to less than 2.5g)