Some Simple Patchwork..

In this tutorial I will make

Let's begin real simple, so create you Default Photosohop Document

Now, Set your colors to #ff0000 as foreground, and #a90000 as background.

Double Click your Background Layer to unlock it, rename it Layer 0.

Now, use a Gradient across the Document, from top left to bottom right.

Afer this, you will go Filter>Render>Fibers. Use the below settings.

Now, in the Filter Gallery, do some Glowing Edges.

Afer this, you will go back to the Filter Gallery, and do some Patchwork.

Your end result should be some pretty neat tiles.

matadorqk