This tile is from A Tribute to M.C. Escher
Comment: Are the Lines Horizontal, or Do They Slope? (and other illusions)
Checked out at: September 17, 2001
Checked in at: September 18, 2001Checkout tile:
You might have to stare at it for a while to see them. It's a little tougher when they are that small.
BTW, the title refers to the grey lines inbetween the checkers.
That part of this tile makes it so special :)