Fabric yo-yo's are a great way to use fabric scraps! Free templates with tutorial at Positively Splendid. Could use to patch quilt
How to join yo yos :: handmade inspiration
Make a Fabric Yo Yo or Suffolk Puff - Molly and Mama
Yo-yo flower Amy Butler quilt, with free pattern and quilting instructions. what a beautiful yo-yo quilt!
Making a Yo-Yo: I use these to make miniature Christmas wreath ornaments. My aunt made yo yo quilts.