When I re-started quilting in 1999, there was a big and very public debate about whether or not to trim flying geese blocks. The blocks were made by sewing small squares to the corners of the rectangles. Some folks wanted to trim it all away and some said to leave the piece that was attached to the rectangle and trim out the middle triangle (Mary Ellen Hopkins was a very vocal proponent of the latter method). I always found that I was more accurate when I did left the rectangle intact, but I hated the bulk. Glad that worked for you.