Originally Posted by quiltingshorttimer

probably a case were the smaller unit (the HST) blocks should have been squared before sewing into a pinwheel--when you square after sewing together you are squaring up the larger block which already has 4 HST that are little too large--which means the seams &points for each is not where it should be. I'm often lazy about doing this unit squaring detail and ALWAYS pay the price--best reason for doing a sample block first.