A picture says a lot! So here it is-
It looks rectangular in the lower pic but it is actually 56" square. Once the final outer border (a very dark blue) and binding is on it will be a 60" square. That would make a lovely tablecloth! Or an unbelievable throw or child's quilt.
So have you messed up a layout in a project? Did you like the final happy accident or was it seam ripper or trash bin time?