Wrap around bookcases with cabinets and a window seat. The cabinets' corners create a angle while the shelves' corners are at a angle. I would want the window higher off the ground and a deeper window seat.
DIY outdoor version of Jenga get out some and cut them into approx 10 ½ ” long pieces. Once you have 54 pieces, sand them up a little, stack ‘em, and challenge everyone to a match! Our favorite bar has one of these on the patio -- giant jenga!
DIY Beverage and Paper Goods Station ~ so easy to make and could be used for any event from a Backyard Cookout to a Holiday Get Together. And the paper goods can be switched by color so easily for any event.