Created during the early 1900s in Paris, artist Max Bill designed 15 art-pieces that shared 3 keywords - ‘continuity’, ‘development’ and ‘invention’. The original drawing is a spiral graphic of a line which consists of a regular triangle with one side becoming a part of perfect square, and equally developed from the square to regular pentagon to regular hexagon to regular heptagon then to regular octagon. And following the molding rules set by him as how to put dots or draw lines in specific order, he put arranges to each 15 variations.
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