First, we turn on the computer, find a shortcut to the ps desktop on the computer desktop, double-click to open it, and click Menu File-New (shortcut Ctrl+N) to create a new canvas with 25*25 resolution and transparent background content.

Please click to enter a picture description.

Please click to enter a picture description.

2

The canvas is too small, so we can zoom in with the zoom tool in the toolbar, or hold down Alt+ mouse wheel to zoom in, which is more convenient for us to operate.

Please click to enter a picture description.

Please click to enter a picture description.

Please click to enter a picture description.

three

Select the rectangular box selection tool in the toolbar, check the box to create a selection, change the foreground color to black, hold down Alt+Delete and fill it with black, and repeat the above operations.

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Please click to enter a picture description.

Please click to enter a picture description.

Please click to enter a picture description.

Please click to enter a picture description.

four

Click Menu-Edit-Define Pattern to open the following window, and click OK.

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five

Next, we create a new canvas with a resolution of 800*600 and a white background color. Double-click the background layer to unlock it and get layer 0.

Please click to enter a picture description.

Please click to enter a picture description.

Please click to enter a picture description.

Please click to enter a picture description.

six

As shown in the figure, click the icon in the lower right corner, select pattern overlay, find the pattern we just customized, select the pattern, and click OK.