"That which is static and repetitive is boring. That which is dynamic and random is confusing. In between lies art." John A. Locke (1632-1704), English philosopher.
Repetition - Closely related to harmony, a principle of design, this term refers to a way of combining elements of art so that the same elements are used over and over again. Thus, a certain color or shape might be used several times in the same picture. Repetition also can contribute to movement and rhythm in a work of art...Online Art Dictionary....http://www.artlex.com
Find a linear, graphic or geometric photograph... Using Google Images, search for terms such as tree, bridge, etc....
This image was at the top of the search for "tree"
Click the "See full size image" link next to the thumbnail. After full size image loads, right click on it and left click "copy" Now go to Photoshop.
In Photoshop, click FILE>NEW, hit enter then CTRL-V to paste image.
In the above example, I cropped the image using the crop tool then converted it to a high contrast image using Threshold... IMAGE>ADJUSTMENTS>THRESHOLD. Use the slider to find the right distribution of black and white in your stamp.
Now, repeat the stamp 4 times..... experiment with a straight repetition, a mirrored or a rotational repeat. Try a 6 x 6 grid.... experiment with variations, inversions, other stamps. Here's a 4X4 grid of the same image....
Tree as Stamp