Photo mechanical pattern overlays (interference, moirées, reflections) utilizing geometric elements (linear patterns, wave patterns, point patterns). They lead to purely geometric, non-figurative designs (not reminiscent of an object) under the title “Fototypie” to flicker effects based on Op(tical)-Art. Sharp figures of lines and dots in B/W and color, later also included the blur-phenomena (Wave Fields 1966).
Library: Pattern Fields. Three photography types 10-3, 10-4, 10-7, 1965. Bibliothèque Nationale Paris, 08.11.1986.