The Whirlwind Quilt Block goes by a bunch of other names - Modern Envelope, Twin Sisters, Water Wheel, etc, etc. The traditional Whirlwind quilt block uses only 2 colors but this variation uses 4 fabrics. I'll show you 2 different ways to sew this block together and talk about another way that I've seen online.
If you're on Instagram or Pinterest, will you please look for me there? I'm elnorac in both places. The tutorial for this is by Jenna of Sew Happy Geek here: sewhappygeek.co.uk/index.php/2012/01/03/sew-happy-quilt-q... This is for the Trust circle of do.Good.Stitches. The fabrics are Flea Market Fancy by Denyse Schmidt and Sketch by Timeless Treasures.
It's a Snap - Downloadable 3 Yard Quilt Pattern With this economically-priced pattern, you simply take 3, one-yard cuts of fabric plus a few hours and make a beautiful quilt top with binding and borders. The pattern includes an assembly diagram and step-by-step directions that make your cutting and piecing a snap! Finished size of quilt: 44 x 62 inches (111.76 x 157.48 cm)