When first came out, the structure was hollow. As the piece grew, light-weight materials such as aluminum props and polyethylene became necessary to support the interior framework. Initially, when it was only photographic paper supporting the frame, it led to its partial crumpling or distortion. More recently, the sculptural forms have a layer of coated plastic on the surface to support them and this makes them more durable. What is very important to me is that the flatness of the photographs is maintained, which isn't easy to do. I must say, though, that it would be a big misunderstanding to focus only on the combination of photography and sculpture when introducing my work.