Step 1
Open Adobe Photoshop and create a new document with the size 400x400 pixels and a black background. Using the Brush Tool, select it from the Tools Tab, draw a shape like in the next picture, but first make another layer in the Layers Tab (set the color to white):
Step 2
Distort the layer using Filter > Distort > Twirl with the next settings:
Step 3
Now select the Filter > Blur > Radial Blur with the settings:
This is the result:
Step 4
Select the Rectangle Tool in the Tools Tab and draw a rectangle with a light green color like "#12FF00". Set the "Blending Mode" for the layer in the Layers Tab to "Multiply":
Step 5
Duplicate the layer "Layer 1", rotate it 90 degrees and set the "Blending Mode" for the layer to "overlay":
Step 6
Select the layer "Layer 1" in the Layers Tab and delete the center with a "Soft Round Brush 200 pixels":
Step 7
Duplicate the layer "Layer 1" make the size to 50% smaller, rotate it and place it in the position like here:
Step 8
A little bit attention to details and some small elements for the atmosphere and this is the result:
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