Photoshop to make concave and convex rock effect chart

Create a new file

Select the channel and create a new channel named AAA.

Set the foreground color to white, set the background color to black, and perform a "filter"-"Render"-"layered cloud", in order to get a higher contrast image effect, you can press Ctrl+f to perform a layered cloud command again, the effect is as follows:

Select AAA Channel, perform image-adjust-brightness/contrast command:

Select the Layer label, click the background layer, and perform the filter-render-lighting effect command:

Perform image-adjust-brightness/contrast commands

Create a new 2 blank layer, select Layer 1, fill in white, execute edit-Fill command, click the button on the right side of the custom pattern in the pop-up window, select the load pattern, select the rock pattern in the pop-up Pattern Selection window, select the black marble, select the multiply-stacked mode, and set the opacity to 100%, Click OK to confirm and set the padding value to 50% in the layer label.

Similarly, select Layer 2, fill in white, execute edit-Fill command, click the button on the right side of the custom pattern in the pop-up window, select Red Rock in the pop-up Pattern Selection window, select multiply mixed mode, set opacity to 100%, click OK to get the effect as shown in Figure 4.

Flatten layers, performing filter-render-Lighting effects commands:

The final effect is as follows: