(top) The mind's image of a design is the key for any space-light problem.
(below, left) The mind's image of a design is the key for any junction problem.
(right) The Plastic Number p, described by the priest Dom van der Laan, is the counterpart of the 2D Golden Section. While the numeric value of p has been described extensively, I studied the meaning of it in this extremely simple geometric relationship with the Golden Section.