72x72--could be made bigger with some strippy boarders--free pattern link
So simple...Alternating rails (I'd say 5x10") set together horizonally, then vertically...Flip for the second row...get pinwheels! LOVE the colors! Teaginny Designs: Yellow and Gray Pinwheel
Cuckoo For Quilting
Moda pre-cut Layer Cake Quilt
Diary of a Quilter - a quilt blog: Soul Blossom Lattice Quilt Pattern Available
Excellent tutorial on making half square triangles out of charms; and how to arrange them afterward!
Half Square Triangles (HST's)
Always looking for a new way to make Layer Cake Quilt
sewing, bows, pillows, quilts, crafts, etc
PrintFriendly.com: Print web pages, create PDFs
Moda pre-cut layer cake quilt This is a great way to use up layer cakes and 5.5" squares + 2.5" strips for charity quilts.
Mommy by day Crafter by night: Hello Luscious Quilt
Quilts & Patterns
quick way to make pinwheels from layer cake. Love the large size with multicolored background