Fré Ilgen's sculptures and mobiles are a depiction of reality that is not a solid mass but a swirling movement of shifting relationships. It is in this emphasis on movement or ‘gravity defied' that one sees Ilgen's reverence for change and goal of challenging the viewer's visual memory. In his compositions Ilgen also explores the confluence of Eastern ideas of enlightenment or "sunyata" and the Western mathematical theories of Quantum Physics. His sculptures are constructed of painted wood and stainless steel, varying in size from modest to monumental installation pieces. In each piece is the strong simulation of spiraling forces, reminiscent of the energies of the chakras as well as the double helix of human DNA. Ilgen's work is in the collections of the Museum of Modern Art, Hünfeld, Germany; NOKIA, Dallas, Texas; and the Merzbacher Collection, Zug, Switzerland.