These chipboard borders were based on Victorian house trims. I can imagine lots of uses, but a couple ideas are shown in the photos with the facade from the Large Haunted House Shadowbox (across the top of the roof, and across the 2nd floor roof).
It would also make a top for a mini wrought iron fence (with the spikes turned up).
Note: this will ship in a flat sheet: almost completely cut out, save a tiny (1/8") spot that you can snip with scissors or a sharp blade. Keeps all the pointy details from being banged up during transit.
3 strips (all the same size, approx. 8-3/4" long)