weight in 18k : 33:50 grall bugs are cheked and fixed and .stl file is healed and ready to prototype.our professional design team having over 10 years of experience in jewelry and watches designing and working with different modeles of 3D printers such as ,solidscape,project,and,envisitec. Our models also include separated layers and parts that can be changed and modified easily to help you printing the model with high accuracy.