For stacking, you can merge the middle points together, merge the edges together, and then use the layer styles to make gradient stacking respectively.
Then circle him with a circular selection and make a filter-blur-radial blur.
The color is not very bright after taking it. You can copy a layer and sharpen it after lamination. The white highlight in the middle can be painted white. Here's the process. How to tune it to look good? You can try it yourself!