The details are Phenomenal my only complaint was the shank is bit thin.
And the .3dm format. IT WASN'T. 3dm. The ring convert to mesh and saved as .3dm
As a designer I value your work and you did very good job and I understand if you don't want any one to do changes. Just save it stl and leave it that way.
Send your price offer to the author if you want to buy it at lower price.
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