Gradient’s parameters. 
Choose now next tool
to draw a circle painted in white again, like in the next step.
And one more with the previous instrument.
Get the same instrument again
to picture another element with the sizes from next picture.
Fill 0% on the layers and place them correctly.
Blending Options-Gradient Overlay
Gradient’s parameters.
One more figure must be represented by the same instrument. Don’t forget about the parameters.
Fill 0 % on the layers and place correctly the layers also.
Blending Options-Gradient Overlay
Gradient’s parameters. 
