The Fractal Tree Snippet texture was created by ThreeDee in Filter Forge, a Photoshop plug-in. Your basic fractal branching tree. From this snippet (If you can call it such, for it is The Slowest Snippet in the Universe) it is easier to see how.
Life in a Spiral Galaxy by Velvet--Glove on DeviantArt - Crafted entirely within Ultra Fractal using 18 layers. More of my Fractal Flower series can be seen in my gallery here: Link If you should add this deviation to your faves please accept my tha.