In the end of the first paragraph of the section titled "The Pretty, Final Parts", you write, "Some of the wings constructed of multiple feathers (to create a layered a book, (Shewey, Veverka, Bates, etc.) that illustrates this wing type? Can you point to a pattern found either on a website or in on this forum Thanks for your input look) use progressively shorter and varying colors for a standout wing", I am interested in, but not clear on what you are referring to regarding the layered look. Your Gordon Class on and the gallery chapter of Shewey's.
Check out Dec Hogan's Steelhead River Journal: Skagit-Sauk two of Dec's patterns. Shewey has I believe one or FeathersMC is outstanding. Dec's flies often use a pair or two of feathers of these feathers on each side. Imagine creating a wing composed of four progressively smaller as the last feather would be the shortest.
The innermost feather would be the longest and the feathers would get from a Whiting American hen cape dyed various colors. Now just vary the colors of these feathers and the tip wings tied upright or tented. You are refering to feather or feather wing has almost as many colors as a rainbow.