What is it 2–The answer

Remember this?

Here is another view.

And finally.

Yup–it is our garbage can lid.  It had gotten wet and a bit muddy then realizing i was a puddle attracting mosquitoes we flipped it over to dry in the grass.  We finally figured out that the swirlies were from the grass underneath and it made this awesome texture.

Now you can look at it again.  Isn’t that awesome!