I'm elated that I've been awarded the For the Tokyo Jacket design I actually have the "eureka!" moment on paper. Want to see it?
I remember that: "OO! OO! LACE SIDE PANELS!!" (dates from June 2008). You can see from that scribbly sketch that the construction is the simple & easy "T-shape," just like a traditional kimono (a cropped one). The lacy sections disguise this. So do my exaggerated corners. In other words, it's easier to make than it looks.
There's a Ravelry forum thread devoted to this pattern. I posted some comments there regarding the sleeves. Regarding adjusting the length of them, "