Stone Design Flat Ring Ready to print and mold. The ring is prepared according to 925 sterling silver metal production. It contains 925 inscriptions. 1.10 mm stone is used in the ring. There are 925 inscriptions on the ring. File format: STL . Master Mold Size EU: 63 3% PULL SHARE GIVEN Stone Design Flat Ring Ready to print and mold. The ring is prepared according to 925 sterling silver metal production. It contains 925 inscriptions. 1.10 mm stone is used in the ring. There are 925 inscriptions on the ring. File format: STL . Master Mold Size EU: 63 3% PULL SHARE GIVEN