Using layers and masks to control detailing

…In the previous movie, I showed you how to…create your own custom art brushes and custom pattern…brushes and I showed you how simply to mask…those in order to create the illusion of highlight…and shadows in your illustration with that kind of…aesthetic, that organic flare. This is part of that…illustration, part of that surf safari illustration it is…the fish and I have pulled that out because…this is a good example of how to use…masking to control that type of detailing and it…is how I initially built this artwork and then…it help me to manage the various aspects of that…artwork and so on this one. It all had…to be independent shapes. If I go to my layers…and I turn everything off but the fin and…mouth. You can see that these are just simple vector…shapes, no transparency or blend modes applied to them. They're just simple…Solid filled vector shapes. But what's sitting right on top…on its own layer are the exact same shapes used as masks.…

And each of these contain the path that has in this…case, the pattern brush applied to it and colorized. Now that path…