Difficulty level is 3.5/10, you must need to know how to install plugins. Speaking of which, the follwoing plugins must be installed to complete this tutorial:
Erode / Dilate
Height to Normal (You only need the HeightToNormal.dll which is inside the .zip)
A useful post
Step one: open a new canvas at 800x600 (do this first then use a smaller canvas size, the smaller the canvas size the better the finished product).
Step two: Effects > Render > Clouds @ 250, 0.50, Difference
Step 3: Hit Ctrl-F a couple of times until you get a lightningy-denty looking thing:
Step 4: Go to Effects > Erode/Dilate @ Dilate, 3, Square:
Step 4.5: Hit Ctrl-F to repeat the effect (CRITICAL STEP).
Step 5: Effects > Height Field to Normal Map @ 6.5-8.0:
Step 6: Invert Colors (Ctrl-Shift-I), Black and White (Ctrl-Shift-G, Adjustments > Black and White), you should have something like this:
As a finishing touch, you can Rotate/Zoom (Ctrl-Shift-Z) for a floory perspective. Also, remember that the smaller your canvas the better the effect turns out.
Here is my result on a 150x50 canvas (cropped):
Edited by csm725, 27 August 2010 - 12:16 AM.