Dr Benway
draw a circle,write the letters around the circle anti clockwise ,tau should be at the top kaph at the bottom,now draw a small half circle ( like a petal) from a to h, then b to v, g to z etc.once this is done join with straight lines inside the circle a y q , b k r , g l sh, etc,do this for all the letters. the circle should now show the nine chambers plus more.
