• All files are ready for 3D printing and have been successfully tested.• All models are pre-designed and fully compliant with professional jewelry-making standards.• Complete information for each model—including weight, size, and other details—is available in the product images.• Files are provided in both 3DM and STL formats, and can be converted to other formats upon request.• If you encounter any issues during the printing or support process, feel free to contact me via message.• Customization is available based on your preferences—just send me the specifications you need.