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Blue Torus Pin

$10.00

Blue Torus Pin

Look at this glorious Blue Torus. It's got all sorts of math in it. So much math I don't even know. It's complex.

This Math Donut quality sort enamel pin measures 1" wide and is 2mm thick. It features an Inner Decay Rose Logo backstamp and a black rubber clutch for maximum strength hold.

$10 USD