More to explore:
Puff Quilt Tutorial for Beginners. How to make a Puff Quilt.
Bubble Quilt – Puff Blanket – Biscuit Quilt | Awaiting Ada
fun with stripes
Sweet puffy hexagon quilt
Puff Quilt #Quilt
Soft colors ...
Bruce H. Seeds Flickr page of his wonderful One Block Wonder quilts.