Continue, making use of the known instrument and draw one more figure with the next sizes:

Gradient Overlay:

Gradient’s parameters:

Copy the layer with the previous figure; turn it around with Free Transform option. Place it like in the picture and paint it with the color 496538:

Continue with the instrument and make one more figure with the demonstrated sizes below:

Gradient Overlay:

Gradient’s parameters:

Make use of the already known instrument and draw one more figure, having the next parameters:

Gradient Overlay:

Gradient’s parameters:

If the layers have been placed correctly and everything has been done like in the picture, we’ll get the next:

The final result!