Now you’ll be needed the Pen Tool (V) which looks like this:
Set your settings as mine:
Make sure your color palette looks like:
Now carefully from the top use the Pen Tool to slowly go in a spiral motion down the image. Mine looks like this so far:
Now go to Effects >> 3D Effects >> Drop Shadow and set your settings as mine. Repeat this step so you will have done this twice.
Now take the Eraser Tool (X) and erase every other spiral to get an effect like the “after” picture at the beginning of the tutorial.