There are two effective centers into the figure: that of the circle, the navel O, and the center of the square, the sexual apparatus x.
Yet the first remark I published in 2003 is simple and evident:
subdivided the main square into 4 squares, from the center of the lower left square's right side i.e. ½, it's easy to refer the golden ratio to the vertical midline of the body, reaching the point that precisely delimits the median line ch of the arms in horizontal extension that's to say the height of the articulation of the shoulders with respect to that center x.
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