It never occurred to me that if you printed a woodgrain cross-section on a piece of paper, and the ink bled enough to appear on the paper's edges...
...and you stacked those sheets into a solid brick, you'd then see woodgrain along the sides. Making this one nifty Post-it pad.
It still raises the question of how they generated a slightly different cross-section for each sheet. If they were all the same, the sides would just have straight lines running down them, but as they've executed this the grain seems natural. Do you think they scanned the cross-section of an actual block of wood, then shaved a hair off, scanned it again, sanded it again, and so on?
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