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Let's say I have an 3D object (semitransparent) which contains another object in it. To make it more visible I used backface culling which really works fine in the solid display. When I try to switch my view of the object from solid into rendered it seems like the backface-culling doesn't work in render mode. Is it possible to keep backface-culling in rendered view?

Thanks for the answers!

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    $\begingroup$ Blender Internal, or Cycles render? $\endgroup$ – Scott Milner Jan 25 '17 at 2:53
  • $\begingroup$ @ScottMilner just in Blender Render $\endgroup$ – Khang Cao Jan 25 '17 at 3:22
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  1. Select the material that you want to be with Backface Culling and enable Use Shader Nodes.

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  1. Open Node Editor and select the material you are using in the Material Node.
  2. Add Geometry Node and connect Front/Back socket to Alpha socket in the Output Node.

enter image description here

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  • $\begingroup$ For cycles: blender.stackexchange.com/questions/2082/… $\endgroup$ – cegaton Jan 25 '17 at 5:01
  • $\begingroup$ Thank you Denis! But my object should also be semitransparent / connected to the Alpha. For example there is another smaller spherical in this spherical. The bigger spherical should be semitransparent so I would be able to see the smaller one. How can I combine the two Alpha with the one at the Output? $\endgroup$ – Khang Cao Jan 26 '17 at 0:36
  • $\begingroup$ @KhangCao I think it should work with math node using Add. $\endgroup$ – Denis Jan 26 '17 at 0:38
  • $\begingroup$ In Cycles: blender.stackexchange.com/a/2083/62466 $\endgroup$ – oxidworks Sep 18 '18 at 13:44

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