The quilt pictured seems to be one row of, say, 31/2" squares sewn in a long strip. Another looks like 2 1/2 long strips which are sewn into another long strip. You could try to duplicate the look by making a sample and seeing how you like the look. You could put the squares into one grocery bag and the narrower strips in another bag Then, reach into the bag and pull out one piece. Pull out another and unless it is exactly like the one you pulled before, sew the two together. Keep going like this until you have assembled one long row of your larger squares. Do the same thing with the narrow strips until you have two long strips. Put a different color of fabric with the strips and sew the three together. If you like the look, keep going.