3 Stone Illusion Setting Ring 3d ModelRing is currently set to a size 6, but stl file is all separate and can easily be adjusted to fit you or your customers needs. Behind each stone is an illusion seat which helps capture and reflect light more frequently from the grooves made into the surface. This also makes each stone appear grander when viewing the ring as a whole. The ring can be set with 1 3. 5mm rounds and 2 3mm rounds gemstones. All measurements for the ring can be found within