Korean style design tutorial - photo three-dimensional effect
First open a photo (the photo size should be suitable for the web page or needs, you can process it first, I won’t say more)
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Original picture 
renderings Image -> Canvas Size Set the width and height to 20 pixels in the pop-up dialog box and select "relative"
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Duplicate this layer
Select the copied layer copy, press Ctrl+A to select all and click Edit -> Stroke
On the pop-up dialog box, set the stroke width to 1 pixel, the color to #999999, and the position to the inside.
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Cancel selection when finished
Click Image -> Canvas Size, set the width and height to 50 pixels on the pop-up dialog box, and select "relative"
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Next, go back to the first layer and perform operations on this layer
First, let’s open the third button in the working path area of this layer.
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use
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Click it to activate