Word: pentaplex
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...dubbed the Penrose Pattern--that demonstrated for the first time that a nonrepeating pattern could exist in nature, above right. Then one day Sir Roger noticed that the design on a roll of Kleenex quilted toilet tissue bore a striking resemblance to his unique pattern. This month he and Pentaplex Ltd., which markets his design, filed suit against Kimberly-Clark Ltd. for copyright infringement. "When it comes to the population of Great Britain being invited ...to wipe their bottoms on what appears to be the work of a Knight of the Realm without his permission," a Pentaplex representative stated, "then...
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