Cubist sculpture developed in parallel with Cubist painting, beginning in Paris around 1909 with its proto-Cubist phase, and evolving through the early 1920s. Just as Cubist painting, Cubist sculpture is rooted in Paul Cézanne's reduction of painted objects into component planes and geometric solids; cubes, spheres, cylinders, and cones. Presenting fragments and facets of objects that could be visually interpreted in different ways had the effect of 'revealing the structure' of the object. Cubist sculpture essentially is the dynamic rendering of three-dimensional objects in the language of non-Euclidean geometry by shifting viewpoints of volume or mass in terms of spherical, flat and hyperbolic surfaces.