Gold Ring wedding flower ring printable jewel stl 3D print model

I am a designer also a modeler, i have been engaged on Jewelry 3d printing years, I would like to share how to use the 3d Printer to print the design and which way to casting it well. There have 4 files, including Ring and earrings, pedant Available formats upon request: .c4d, .obj, .fbx, .ma/.mb, .lwo/.lws, .3ds, .3dm, .dxf/.dwg, .stl.This ring have the match earring, pendant, buy the whole set will cheaperGolden Trio 18 ct Earing : 2.3 g X 2 Ring : 3.6 g / Dimensions 19mm(Length) X 18mm(Width) X 27mm(Height) Pendant : 3 g