Does this work?
It seems as though there is a sphere around the mobo object effectively eliminating the toon lines.
From my simple test here it works, but keep in mind that the toon lines will be motion-blurred along with the object too, which can make the effect less obvious. Here is an example:
No motion blur:
With motion blur:
Best regards,
Vlado
Here’s mine
Note: The line error is on a non-moving object.
It’s hard to tell from the image, but if the error is there with only the problemmatic part in scene, you can send just that part to me at vlado@chaosgroup.com to see if there may be something wrong.
Best regards,
Vlado