The mathematical object central to this sculpture, the twelve-sided dodecahedron, fascinated Man Ray and appears in his art from the early 1930s onwards in numerous guises. The Surrealists were especially attracted to notions of non-Euclidean geometry, which refers to the study of surfaces that are not flat. André Breton wrote cogently in Cahiers d’art in 1936: ‘Just as modern physics is increasingly based on non-Euclidean systems, so the creation of “surrealist objects” derives from the necessity to establish, in Paul Éluard’s masterful phrase, a genuine “physics of poetry”.’