For the non math oriented: (to make it look like the picture above) Use the sew and trim method:
1) Side Frames: Pick a strip longer than the block. Sew it to the Left side. Trim anything longer than the block. Repeat for Right side of block. Press.
2) Top/Bottom Frames: Pick a strip longer than the top edge of the block with the left and right frame attached. Sew it to the top (which is now the left frame edge, the top block edge, and the right frame edge) . Trim anything longer than the sewing line. Press. Repeat for Bottom Edge.
Last edited by Jane Quilter; 06-16-2016 at 12:42 AM.