>>2016022some small things that will fix the color on the umbrella to make it more 3D.
First that middle color change where the first bend is.
second is the things went from light in the middle to dark outside,more important with that break.
Third is a couple gradients, one from the middle out and the second on each side of the rib.
Mine is sloppy and i misaligned a couple things but you get the idea