Originally Posted by mary quite contrary
Yes, square them up but make sure your seams match before you just start cutting. Sometimes the part that is off is in the middle of your pieced block so cutting some off the outer block will only make matters worse.
this has been the issue with most of my block-of-the-months. if you have to trim too much, then when you stitch them together with the 1/4" seam, some of the angles get stitched into (if that makes sense).