Signature with Indents and Tubes

Create a new document in photoshop 700 x 400 pixels with a black background. #333333

Select Rectangle Tool and draw a rectangle (be sure you will set the Radius to 10 px)

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Select Polygon Tool and draw a triangle ( set the number of sides -3 )

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Change the color of this triangle to #99982c then apply the following layer style:

The result:

For the big Rectangle add the following layer style:

This is the result:

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Now make a selection around the big rectangle: Hold down the Ctrl key and press with the left mouse on the layer thumbnail

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Now select Polygonal Lasso Tool .

Press on Subtract from selection and make the same like me:

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Create a new layer

Go to Select > Modify > Contract ( Chose contract by 10 px ) and press Ok

Fill the selection with white then press Ctrl+D to deselect

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Then add the following layer style for this whit rectangles:

This is the result.

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With Rounded rectangle tool create a small vertical rectangle

Then Go to Filter > Distort > Shear ( press Ok to rasterize ) and use following settings:

Rotate this rectangle and add the following layer style

Then create some small circles and place them like in the following image This is my result:

Now you can add some text on the left side:

Create a new layer ( press Ctrl+Shift+Alt+N )

Select the Polygonal Lasso Tool and make the following selection

Fill this selection with #333333 ( the same color like your background ) and place the layer under the green triangle

Next step is to duplicate the tube and place it like in the next image

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I hope you like the outcome.