I found it! In In Love With Quilts.
The block is called Sunflower.
In fabric it looks like this.
There's a second pattern needed to create the block (but there were no pieces cut nor pattern shape with the other fabric).
Now I know. I'm not sure I would use 1930s prints for this block.
I guess I'll turn those cut-outs into something else. Stars? A triangle border? I'll have to play a little.
Happy quilting to you.
P.S. There's still time to link up to Quilty Inspiration #4.