The Sacred Cut


Where the diagonal in the square cuts the elongated base line is the socalled sacred cut. This is the basis of the silver rectangle, and the Aformat, it is also the point that indicates the doubling of the square.  The diagonal in a square has the lenght of 1: Ö2 , which means that it is the root of a square which is the original square times two. This is the anciant way to double the square. 
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