Make sure to align and piece from the inside edge of the petals.
The outside edges will not line up. That's okay! Piece all the way to the end of the yellow straight-edged petals. This stitching line will help you fold over the seam allowance neatly.
You will find the seam allowance winging out over the edge of your straight-edged petals. To fix this, simply fold the excess seam allowance under and press firmly to secure it.
How to Secure Your Dresden Ring
Fold your background fabric square in half and press to create crease lines running through the center in both directions.
It's entirely up to you how this Dresden Ring is positioned on your fabric. I show a few different ideas in the video. I decided to center the curved petals over the crease lines, but there are lots of other ways you can position this block and change the appearance.