This specific 3D model, "Light wt Ring Earrings Pendant set stl jcd 1-render details 3D print model 69", is an asset made available by "Unknown author".
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Usage of this 3d asset is subject to the "Unknown license" agreement.
STL (Stereolithography, filesize: 64.1 MB), JCAD (JewelCAD, filesize: 763 KB)