Originally Posted by
bneuen
Did I misunderstand? Is the one blade block supposed to be 4 1/2 or is the completed pinwheel supposed to measure 4.5?
the completed pinwheel will measure 4-1/2" when pressed, it will be 4" when sewn into the quilt. You are making 2-1/2" HSTs, and four of them will make one pinwheel.