Filter forge is much more than colourful squares For example take the simple filter shown in my last post. In just a couple of seconds I came up with this:
Click image for larger version.  Name: ffsimpleperlin.jpg  Views: 494  Size: 40.1 KB  ID: 96497
Switch the result component from simple to surface and you can get something like this by adjusting a few settings:
Click image for larger version.  Name: ffsimpleperlin2.jpg  Views: 567  Size: 98.5 KB  ID: 96496