Simple Zipper Bag
Pattern by Sherri McConnell.
Pattern includes instructions for two sizes of bag.
Pattern by Sew Kind of Wonderful
Free pattern from United Notions
Pattern makes three sizes: 72" by 72" using a layer cake and background fabric; 32" by 32" using a charm pack and background fabric (as shown in photo); 12" by 12" using a mini charm pack and background fabric.
Pattern by Lynn Weathers
The pattern is easily adjustable for different sizes of bags.
Australian Bush Rug Quilt
Pattern by Barbara Macey