Blending Options-Gradient Overlay

Gradient’s parameters.

Using the next tool , insert a new rectangle now with the parameters from next step.

Blending Options-Gradient Overlay

Gradient’s parameters.

Apply again tool and picture the necessary circle. Choose then the same tool, but keep pressed this time the Alt button to introduce another opening in our picture.

Blending Options-Bevel and Emboss

Blending Options-Gradient Overlay

Gradient’s parameters.

Apply the previous instrument again to picture the next circle. It must have the parameters from next image.