They measure 2.5"...I got the pattern from Fandom In Stitches. They are the cornerstones to the Harry Potter Fantastic Beasts quilt along. I'm just making the stars, because they are cute, easy and satisfies the urge to paper piece. Find them HERE, if you are interested.
Also, Sarah, at Confessions of a Fabric Addict mentioned something about quilts with stars on them... I'm intrigued.
So to the Quilting Nonnie I say - here's mine.