Step 1
Open any RGB picture.
Press Ctrl+N on the keyboard (New Document). After that, set Width to 2 and Height to 6 px and press ok.
Step 3
Zoom in (press Ctrl and plus key on the keyboard) your new document to see it better.
Step 4
Under Foreground color, set black (d), take the Pencil Tool (B), and paint the half of "rectangle". Look at the picture below!
Step 5
Choose Edit > Define Pattern. Then, name it which you like, and press ok.
Step 6
Create a new layer.
Step 7
After that, choose Edit > Fill, and then, set the options from the picture below.
Then, press Ok, to get this:
Step 8
After that, in Layers Palette, set Overlay - Opacity 35%. See the picture below.
Finally, our work looks like this:
Bye!
More Tutorials: 
