Originally Posted by IraJane

It is so much easier to show this process "in person", so bare with me. I chose a stripe that is not the same from either direction and cut four 3" x wof strips. For the body of my sample I cut a 36" square. This can be done with rectangles as well, but it will be easier for you to try the first time with a square. I'm also using a marker for the 1/4" dot markings which I would not do on an actual piece.

This is simply "fussy cutting" the mitered borders. Seem like it takes a good bit to cut them, but it actually goes quickly and sewing is sooooooooo much faster. So here goes: