This DIY pallet entry bench is famous due creative manufacturing for 2 in 1 purposes. You can also use it as DIY pallet coat rack for handbags, hats and other instant needs. (via Pallet Entryway Bench - Storage Bench 101 Pallets)
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.