1. What was the most challenging part of having to show all the elements of the wing structure at once? Dealing with the layering of muscle and bone
2. What visual tradeoffs did you have to make to keep the composition "stable" throughout the wingbeat while highlighting the important part? color issues in general--how to emphasize without emphasizing everything
3. What visual characteristics did you use to represent each part of the wing and why? different shaped marks, different, colors, different textures-- means of differentiation and showing change over time.