Line: The book shelf in the room shows the use of line because the book shelf shelves are built against the wall forming a miniature tree. Our eyes are drawn to look at the book shelf tree from bottom to top and outward to the tree/bookshelf branches.
How cool is the Tree Bookcase by Roberto Corazza? This single-cast plastic bookcase is open on both sides allowing it to be attached to a wall or standing freely, leaving access to the books stored on the "branches" of the tree.
Bold Book Shelving Branches Naturally Along Interior Walls - Want to bring a bit of nature inside, but not have to worry about watering the plants or picking up after the leaves? Well, this branched, tree-shaped bookcase might be just the thing.