General Rules: (not absolute rules) 1-The eyes are halfway between the top of the head and the chin. 2-The bottom of the nose is halfway between the eyes and the chin. 3-The mouth is a third to halfway between the nose and chin. 4-The corners of the mouth line up with the center of the eyes. 5-The top of the ears line up with the center of the eyes. 6-The bottom of the ears line up with the bottom of the nose.