This filter requires Filter Forge 4.0
This is really a fantastic piece of software, I highly recommend everyone checking it out if you're into pattern/texture map creation.
“It's a powerful and logical way of creating effects that's relatively easy to learn by seeing how other effects are built. Creating filters from scratch is time-consuming, but for a wider user group, it's a great way to modify already-created effects.”
“Oh my god, I've got to get into this!”