If you're up for more suggestions, here's kind of what I had in mind for "scales," so-to-say:
...er, see the attachment.
The "organic" appearance might have been overdone in a spurt of creativity, but if reasonably applied might yield some impressive results. Well, at least in terms of looking like a machine mimicing an organic structure. But then being Shivan, you never can tell...
I also thought up a possible design for the lateral beams/cannons. They are in essence very scaled-down versions of the Lucifer's lateral weapons, rotated 45 degrees to fit between the scaly armor and the exposed structure aft of it. Once again, perhaps a little overdone, but it's merely an idea.
-Thaeris
[attachment deleted by Tolwyn]