The defining premise is classical and correct: “Sculpture,” says Erwin Wurm “is work on volumes,” by which he precisely formulates the categorial axiom to which pre-modern sculpture and three-dimensional art can be reduced. If we wish to understand concepts, make them vividly tangible or extend them, we are required to use our powers of thought, which leads Wurm in the majority of his works to visual reflections on various questions concerning modern sculpture and to the following conclusion: “So you can say that gaining or losing weight is also work on volumes in a certain sense. And you can draw the conclusion that gaining and losing weight is sculpture.” ...