Grid Background

1. Create new file size 800 x 600, fill with black

2. Go to Filter >> Render >> Clouds

3. Go to Filter >> Render >> Difference Clouds, repeat 2-3 times

4. Go to Filter >> Pixelate >> Mosaic..., 18 square

5. Go to Filter >> Blur >> Radial Blur , Amount = 30, Method = Zoom,
Quality = Good

6. Go to Filter >> Brush Strokes >> Angled Strokes...

7. Go to Filter >> Stylize >> Find Edges

8. Press Ctrl + I ( Inverse )

9. Image >> Adjustment >> Hue/Saturation .... Hue = 106, Saturation =
100, Lightness = -2 , Colorize

10. Duplicate layer, mode Screen , use Move Tool drag a little to the right, then use Soft Eraser to delete the edge

11. Color is not so impressive because of low Contrast. Press Ctrl +
M to open Curve, pull the line to curve it up a little.

12. Create a new layer mode Overlay, use Brush with black and white to draw some details.

13. Finish !!!