Thanks Marcus,
Yes I do. I fill the first layer, then I bake it. I create another layer and place an active object and make sure it is far enough forward. I apply the fiber material to the object and render with flatten off, shadows on and do a best render. If I turn off the bottom layer the fibers outside of the object boundaries render normally.
What I ended up doing in the real picture I’m working on is exporting and reimporting to an image plane and then adding the next layer. This started because I wanted to use the same material in two different versions hence the need to bake the first layer. These active materials are not always my friend and I wish there was a way to overcome that. Sometimes I can change a material on a second object by exchanging it for a saved version of the same material with the changes after I’ve entered edit mode with the second object. For some reason I have not figured out that does not always work. I could not get that trick to work with the fiber material.
I’ve already worked around this but would like any other info about this anyone has.