Wasn't it Anton Sherwood who wrote:
>Bill Hails wrote:
>> Reminds me of an article, either in SciAm's old Computer Recreations
>> column or in Martin Gardeners excellent Armchair Universe book, about
>> "parqu[e]t deformations" Escher being the archaetypal example.
>
>I think it was in "Metamagical Themas" (Hofstadter's anagram of 
>"Mathematical Games", after he took over the column from Gardner).

Having now looked up some info on Hofstadter's parquet deformations, I
reckon that there's no connection with my technique. 

-- 
Mike Williams
Gentleman of Leisure

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