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...The Modulor is a measuring tool based on the human body and on mathematics. A man-with-arm-upraised provides, at the determining points of his occupation of space – foot, solar plexus, head, tips of fingers of the upraised arm – three intervals which give rise to a series of golden sections, called the Fibonacci series. On the other hand, mathematics offers the simplest and also the most powerful variation of a value: the single unit, the double unit, and the three golden sections...