Fiona O'S

Hi All,

Just looking for some advice with the piecing. Nothing I do ever seems to come out square! I know it's not my cutting at fault because it happens even when I use Moda pre-cuts. I use the 1/4 foot on my sewing machine every time and I set and iron my seams. Still when I piece it all together I have scruffy edges and mismatched seems all over the place. What am I doing wrong???