Tumbler quilts and their shared-fabric cousin the Charm Quilt have long been a part of the quilting tradition. We've updated this classic shape with the GO! Tumbler die. It has specially designed corners that make piecing a breeze. Want a longer or wider quilt? Simply add more tumbler shapes. Perfect for beginners and experienced quilters. #55015 and #55445 are compatable with all GO! Machines. #55020 is compatible with GO! and GO! Big.