Sculpture is the branch of the visual arts that operates in three dimensions do you know any thing about it?
I have heard of sculpting. Do you know any famous sculptures? 
Cubist sculpture
I see, what else do you know about this?
Cubist sculpture developed in parallel with Cubist painting, beginning in Paris around 1909 
That was a long time ago. What does a cubist sculpture involve?
Cubist sculpture
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
I remember in 1915 when I was deeply involved in cubist sculpture but was still in many ways not certain of what I was doing, I had a visit from the writer Jules Romains, and he asked me what I was trying to do. I answered, "I would like to make an art as pure as a crystal." And he answered in a slightly mocking way, "What do you know about crystals?" At first I was upset by this remark and his attitude, but then, as I