Tia,
layout of pillowcase ......
first .....CUFF: right side facing up - a 9" piece.
next .....TRIM: press in half, wrong sides tog. - a 2" piece . (with raw edges at top - with cuff raw edges)
last .....BODY of case: right side down - a 27" piece. line up all raw edged pieces.
If you have more questions, please let me know. Carol_Ann