When twitter avatars recently went from square to circular, even though my old image had a circle in the centre, the cropping they picked meant it ended up looking even more ugly than before.
So now seemed like a good time to update it, and at the same time replace the old thndl logo with something fresher.
As usual, my go-to tool for this kind of thing is not to sketch in a drawing app, but instead to write a little shader program. You can already see the result in the top left corner of your page, but this is the short story of how it was constructed.
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