How to jewelry making*5/9 Handcraft 18k-gold openwork à la main bague en or 18 carats

[FB] Make the openwork ring of the 18K. Arranged a design of the Renaissance period. A hand cuts the 1.5 millimeters board of 18 pure gold in a coping saw. The materials to use when I weld it use the edge materials that I cut off. In other words I do not see the joint of the ring because I let you join it in the 100% same materials. I sharpen the rim of the ring with a file and show a three-dimensional impression. The opening iron design template is own wo