I know. Someone is sure to say, "She's got too much time on her hands."
But it didn't actually take long at all to make these pretty designs out of very ordinary photos. I don't know if there's any practical use for them, but they gave my mind a little psychedelic calisthenics for an hour this evening. They're called "Flip & Blends," because they are created by flipping copies of the same photo various directions, stacking them in layers, and changing the blending mode (to "difference").
This was, originally, a picture of a bookmark lying on the open pages of a book.
This was a picture of the Railrunner (train) engine.
And this was a picture of one of the giant antennae at the Very Large Array.