“One Idea Is Not Enough”: In Conversation With Erwin Wurm “When I started out, I made drawings, 3D sculptures, and performative sculptures,” Wurm says of his varied oeuvre. “I didn’t want to restrict myself to one medium, so, depending on the mood, I focused on one aspect of my work more than the others. Sometimes the public was more interested in the ‘One Minute Sculptures’, other times more in the ‘Fat’ series, but it made no difference to my work.…