Joining the strips is a game of luck. I can imagine more precise work. Quilters with systematic methods would throw up their hands in horror, I guess. Well, if a strip happens to be longer than planned -- as the one left vertical --, I just don't have the heart to cut the excess, but rather try to add an adequate piece.
Jude inspired me with tiny windows of fabric in this posting. They look so neat and tidy! Maybe I'll try to apply this method.
It is a challenge to do something you haven't mastered yet. I can do easier things, but I so love to "paint" with fabrics. I just read a word on planning: "Making plans replaces coincidence with error."