This is one of over 4987 textures generated by Filter Forge, a Photoshop plugin that allows you to create your own filters.
With Filter Forge, you can:
To open this filter, you must have Filter Forge 1.0 or higher installed on your computer. If you don't have it installed yet, click here to download Filter Forge
A straight perlin noise for exploring various HDRI settings and what they do. This snippet demonstrates how much lighting changes the look of a filter.
HDRI, lighting, perlin