I tried the tube method as explained in a tutorial from Missouri Star. What fun but when I put them together, I lost the points. There is no seam allowance by putting the 45 deg angle on the seam lines of the tube. Does the demonstrator put the ruler in the wrong place or what did I do wrong? Several on the site mentioned that her measurement of 4 1/4" should be 4 1/2". I'd love to get this right as it is a fun thing to do and so simple!