Without reading all of others comments, here are my puny suggestions. If you want to get this over and done with...leave out the orange block, sash all the others so they are all the same size, even if sashing might be different sizes on different blocks. I think it would give the appearance of different size blocks all stacked up. Unless it REALLY bothers you, from just looking at the pictures, I can not see that the cut off points stand out very much. I have found that most folks who aren't quilters never see all the little imperfections that we quilters see. I think it will be lovely just as it is without slicing them up. I like boxes that aren't square. :-)