With "turn off raytracing I guess you mean "Visible in Raytracing" which sometimes helps. Other than that... I have no ideas. Transparencies of any kind + IDL = LOOOOOONG render times.

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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.