How to add rust to metal in Photoshop

In this lesson, we will create the rusty metal surfaces of a giant robot.

Final result:

Lesson resources:

AT this Archive You will find 6 photos that we need for work.

1. Texture Overlay

Step 1

From the archive that you downloaded to your computer, open the file “RustEffects-starter.psd”. It will have three layers: the background, the robot layer and the layer with details. The robot was assembled from a variety of metal parts. The model turned out to be good, but it lacks realism due to too clean and smooth surfaces. To fix this, you need to add rust and scratches.

Step 2

Open the next photo in Photoshop and tool Polygonal Lasso (Polygonal Lasso Tool) select the part of the metal. Copy it to the buffer (Ctrl + C).

Step 3

Return to the main document and paste the texture (Ctrl + V). It should be above the layer of the robot.

Step 4

Create a copy of the texture and turn off the original layer by clicking on the eye icon. Copy copy under the original layer. Set its blending mode to Overlap (Overlay).

Step 5

Activate mode Free transform (Ctrl + T), reduce the texture and place it on the chest plate of the robot. Do not apply changes.

Step 6

Right-click on the canvas and select the mode. Deformation (Warp). Change the shape of the texture as shown in the screenshot. Press Enter to apply the changes.

Step 7

Create clipping mask (Ctrl + Alt + G) to limit the texture to the outside of the robot.

Step 8

Choose a tool Eraser (Eraser Tool) (E) and erase the texture from the marked elements:

Step 9

Add more textures to the surface of the robot. You can create multiple copies, or you can take them from other photos.

Step 10

Add small mechanical elements. They will help to visually enlarge the robot.

2. Creating scratch brushes

Separating texture details into several layers is a very good approach. Now we will create a brush with which we will draw scratches on the surfaces.

Step 1

Open the file “DSC_0195.JPG” and select a part of the texture with the tool Polygonal Lasso (Lasso Tool) (L). Copy it to the buffer (Ctrl + C).

Step 2

Create a new document in Photoshop. The dimensions of the canvas will be set automatically. Paste the copied texture into this document (Ctrl + V).

Step 3

Discolor texture (Ctrl + Shift + U). Open the correction Levels (Ctrl + L) and slide the side sliders to the middle to increase the contrast. The point is to highlight scratches as brightly as possible.

Step 4

You need to invert the colors so that the white scratches turn black, since it is their Photoshop that will determine to create the brush. Press Ctrl + I to invert the colors.

Step 5

Tool Eraser (Eraser Tool) (E) with soft edges get rid of clear edges.

Step 6

Go to menu Select> Color Range (Select> Color Range). Select Shadows (Shadows) and adjust the remaining parameters as shown in the screenshot. Click OK and see the selection.

Step 7

Copy the selected area to a separate layer (Ctrl + J). The original layer can be removed.

Step 8

Clean the edges of the future brush print with an eraser. Then go to menu Editing>Define brush (Edit> Define Brush Preset).

Step 9

Return to the main document. Create a new layer with a clipping mask on top of the texture layers. Select the brush we created and paint scratches in light gray. Work with single clicks and change the brush size for different areas.

Step 10

Continue adding scratches, changing the angle and color of the brush.

3. Rust

The process of adding rust will be the same as adding scratches.

Step 1

Open the file “DSC_0782.JPG”.

Step 2

Need to get rid of the screws, as they spoil the texture. Use the tool Oval area (Elliptical Marquee Tool) (M) to select and fill with content (Shift + F5).

Step 3

Go to menu Select> Color Range (Select> Color Range). Pipette click on rust and adjust Scatter (Fuzziness), as shown in the screenshot. Sharpness at edges depends on this parameter. Click OK and see the selection.

Step 4

Copy the selection to a separate layer (Ctrl + J). Turn off the background layer and use the eraser to clean the edges of the texture.

Step 5

Go to menu Editing> Define Brush (Edit> Define Brush Preset) to save the brush.

Step 6

Create a new layer with a clipping mask, select a brush to paint rust and add it to the robot. Brush color – # c69d5c. Set the blending mode Darkening basics (Color Burn).

Step 7

After adding textures, the robot became darker. This is the result of blending pixels that have dark colors. Brighten the robot with Curves Correction Layer (Layer – Curves).

Final result:

Congratulations! We finished the job!

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