Twisty Donut Ring Help?

 From:  Snake (CORNSNAKE)
7047.1 
I was planning on 3d printing some ornaments for presents this Christmas, and after messing around for a bit today, I wanted to make something more complex. Earlier I had stumbled upon a pdf with descriptions of what MoI tools use, and the cover looked awesome so I set out to recreate it. I really like this twisty organic looking designs

Anyways, I was getting close by making a polygon along a circle, using a curve to connect 2 points, then networking it to get part of the twisty ring, but then I hit a dead end. Does anyone have any suggestions on how to make something similar to this? I'm stumped.

Thanks!!
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