Using PS to make metal tube special effects

In this article we use Photoshop to create a rusty metal tube effect.
1. Start

First create a new document with a canvas size of 450 x 450 pixels with a resolution of 72. Fill the background with a very dark color #111111.

2. Draw a rectangle

Create a new layer and get a flat-width selection

My selection is actually set to 22px, which adds color #5e5e5e to the selection.

3. Dodge Tools

Basically, the tools you need are just dodge tools:

Set the parameters for the tool:

4. Highlight

Hold down SHIFT and move the Dodge tool from right to left, one in the middle, a little bit above, and a little bit below.

A little more highlights: