Pictorial examples from this text illustrate how, as desired, not form-identical but derived forms can be developed from a two- and three-dimensional structured original form (basal form) via intermediate forms (bridging forms). In the midline-orientated sensory constructions which unfold in the course of time, special, unique and surprising things appear - spontaneously, conspicuously and unexpectedly - through self-reflections. Part One concentrates on the phenomenon of symmetry, a phenomenon which could hardly be more manifold. Here, an object of knowledge was taken up which promised to...