The Mooncatcher design was created using a series of mixer blocks from the Cattail Queen Mixer series designed by Judy and Bradley Niemeyer, from Quiltworx.com. It includes four sections referred to as Groups A, B, C and D and these Group sizes have been standardized so that you can use interchangeable blocks in each space. The Poinsettia Bouquet design was created using a series of mixer blocks from the Cattail Wall Quilt Mixer series designed by Judy and Bradley Niemeyer, from Quiltworx.com. It includes three sections referred to as Groups A, B, and C and these Group sizes have been standardized so that you can use interchangeable blocks in each space. The Units selected for this quilt were named Razor Star, Flower Basket, and the Picket Fence Border. If you have purchased this pattern, these groups have been combined into one pattern.