Create a new RGB Image of you desired size.
In the channels panel click on new Channel. It will become alpha 1.
Press “D” To reset the foreground and background colors. Filter>Render>Clouds
This is what you will see in alpha 1.
Still in the Channels panel, click on the RGB thumbnail.
Switch to the layers panel
I have found that filling with 50% gray helps produce a more even rock texture.
Press Shift+Delete (Shift+Backspace on Mac) for the fill dialog. Choose 50% gray for contents. (For a more metallic effect, leave white instead of changing to gray)
You will need to experiment with some settings, but here are the essentials
Set light to Infinite
Select Alpha 1 from texture
Choose something for the color, in this case an orange.
Change the height to get more or less texture.
Grab the on-screen widget and drag around for different angles and intensity.
For some variation: Add a Hue/Saturation adjustment layer
Reduce the saturation for an interesting look
Or turn on the colorize option and try something more colorful
As always, please leave a comment and let me know your thoughts. Also. let me know what kinds of tutorials you would like to see in the future.
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