Gerbie's block is a nice one, but something was forgotten. Before you put your second block RST over the first, you take your ruler and cutter and make short cuts from corner to corner. Make three cuts the first way, each a little less an inch long. One will cross the center. Then put the ruler on the other corners and make 2 cuts. Be sure not to cut through the ends, nor through the center with the second cut. Your cuts will make a dotted X. After the two have been sewn together RST, you will be able to see where to snip to finish those cuts accurately. A small pointed scissors is needed to get into the corners, but as she said, Do Not cut into your sewing. I thin;k this is called a Pineapple Block. Hope you can make sense of this.