I decided that it was about time I used up something I bought - wait - HOW long ago again??
Oops!! I've moved 6 times since then. I know. And look at this -
Double oops! But I still thought it was worth having a go. And so I did. The fabric was like a light denim. I pinned leaves on in various patterns.
After being in the sun for a while the fabric faded
You can see the difference here
and where the leaves had been remained dark.
After rinsing I washed all 20 squares in the machine. Differing results, but I kind of like that...