Just the other day, I had one of those days. I was trying to cut sashing and no matter what I did I couldn't get 1 4 1/2 inch 34 and 1/2 inches long cut. I ended up with pieces 9 1/2 inches, 11 1/2 inches, 32 1/2 inches. I had to stop and do something else or my rotary cutter and I were going to come to blows over it.