A park bench near my house has 2¼" metal tubing in its frame, and that tubing is missing one of its hole plugs. This invited wasps to build a nest in the tube, making the bench less desirable to humans. So, after the obligatory poking of the nest with a stick, I'm readying this park to be reïnhabited by my daughter and by other humans. With the hole plugged, wasps will have to build their nests elsewhere.
The author marked this model as their own original creation. Imported from Thingiverse.