Final effect:
1. Create a new 800 * 600 pixel file and fill the background with white. Create a new layer filled with white, then set the foreground color to: #BD7940, and the background color to: #8F4520, then go to: Filter > Render > Fiber.
2. Execute: Filter > Distort > Wave.
3. Select the menu: Edit > Transform > Rotate 90 degrees clockwise.
4. Use the pen tool to outline the selection shown in the picture below, press Ctrl + J to copy the texture of the selected part to a new layer, and name the resulting layer "Folder Body", and then add the texture image below layer hidden.
5. Press Ctrl + J to duplicate the "Folder Body" layer, press Ctrl + M to adjust the curve, make it slightly darker, add a layer mask after confirmation, and use a black and white linear gradient to bring out the transparency effect.
6. Press Ctrl and click the "Folder Body" layer thumbnail in the layer panel to bring up the selection. Create a new layer and fill it with black. After canceling the selection, the effect is as shown below. Then add a layer mask and use a black and white linear gradient to make it transparent. Effect.