A remanier pour faire une "partition" sur roulettes The lack of space for books is so astonishing that I cannot in good conscience call it a bookshelf, but it is an innovative and attractive decoration. Perhaps a room divider or window screen of sorts.
The Piano Shelf: New York based artist and designer Sebastian Errazuriz . It folds flat when not in use, occupying zero space in the room. Once you need to store something – simply unfold the sufficient number of ‘keys’ to accommodate the item.