This is the print file for my fabric printed necklace, that you may have seen on the front page Reddit:
https://www.reddit.com/r/3Dprinting/comments/8d9fmt/i_3d_printed_a_floating_necklace/ or Imgur: https://imgur.com/gallery/sA6or
Or of Imgur: https://imgur.com/gallery/sA6or
It's 3D printed around fabric to achieve the floating look.
If you haven't printed onto fabric before, I've written a comprehensive guide with full instructions here:
https://www.billieruben.info/post/guide-3d-printing-onto-fabric
The author hasn't provided the model origin yet.