The human body, one of the most beautifully designed and constructed organisms in Nature – if not the perfect one, does not have any single perfect single line, a perfect parallel, a perfect 90 degrees angle or a perfect circle. Nevertheless, it works perfectly although its geometric imperfections, if I may repeat myself.
It is so strange that we, living beings invested in temporary human bodies, want to see perfect organizations, perfect laws and perfect objects, all translated to lines, angles, circles and other perfect forms.
A tiny spec of this assumption can be seen here where, coincidentally or not, the blue seems to be one of the leitmotifs, almost pure, almost reaching that state of perfection the other elements have. At the end, it is also part of the theme as it is comprised by lines; it interconnects, limits and help to fill the various objects of this discussion.