Page 3 of 6: These Nosov tessellations could be used as watermarks regardless. If not incorporated into the very paper of the page, it could at least be a subtle detail of the final print out.
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From @polyglotz
Page 3 of 6: These Nosov tessellations could be used as watermarks regardless. If not incorporated into the very paper of the page, it could at least be a subtle detail of the final print out.