According to Wiki:
Oscar Reutersvärd (1915–2002), widely acknowledged as "the father of the impossible figure",。。。。reportedly suffered from dyslexia and had difficulty estimating the distance and size of objects.
似乎“錯誤說”不是完全不可能。沒有做認真的研究,見諒。給大家提供個茶餘飯後談資而已。
圖見
http://en.wikipedia.org/wiki/Impossible_object