Actually the lines you see comes from the lights used. You can go to the properties of each light at un-check the Show Light or whatever it's called, and the lights are gone. It doesn't affect the light itself, only those annoying lines :o)

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.