We must have this tool. I was blown over by it. Adobe has had it for seven years. This would be fantastic for doing illustrations where you need to do shading. Here is a link:
https://www.youtube.com/watch?v=fhB5tTTLqDU
CorelDraw has this. It's called mesh fill. It's in the Toolbox.
CorelDraw has this. It's called mesh fill. It's in the Toolbox.