This is a re-imagining of my new forms 04: sand spirals mint from hic et nunc in April '21. (https://hen.hicathon.xyz/objkt/68268 ). It has been altered to produce unique mints. There are 12 different random traits seeded from the operation hash, but only four are visible: primary hue, secondary hue, initial rotation, and line width. All values are equal likelihood, so there is no "rarity" per se; aesthetic value is the only trait that matters.