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Product Description
Playing around with a torus parameter representation, this model was one of the results. This shape illustrates the hypothetical plasma flow in a stellarator device, may be. There is a family of models like this. The shown one results from rotating a square (i.e. a regular 4-polygon) to form a torus with an internal twist of 270 (3 times 360/4) degrees.
No, this is not the JSON logo. In fact, it is just a special Möbius ring.