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For example I have an object like a cube. I know that the transparency of my object can be set by the alpha. But is it also possible to just make half of the cube semi transparent and the other half non-transparent?

Thanks for your help!

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  • $\begingroup$ It is, use a texture to control it, or two different materials. $\endgroup$ – Duarte Farrajota Ramos Feb 8 '17 at 1:46
  • $\begingroup$ two different textures/materials. Or dived cube on two object, set two different materials, in order to control both of them in the same time add empty and parent two object to it. $\endgroup$ – alex_mike Feb 8 '17 at 1:49
  • $\begingroup$ also look this video, might help you : youtube.com/watch?v=liNGmdXsfbs $\endgroup$ – alex_mike Feb 8 '17 at 1:50
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Yes, this can be done by assigning different materials to the same object as shown below.

  • I added a cube to the scene at origin and scaled it to be bigger
  • Then I added a sphere to the origin which is now located inside the cube
  • I added a material to the cube as shown below:

enter image description here

  • I then checked and turned on the transparency and decreased the the Alpha value as shown below:

enter image description here

  • Then I added a new material and set its color to red as shown below:

enter image description here

  • Then I switched to edit mode, switched to face mode and selected couple of faces and clicked assigned to the red material as shown below:

enter image description here

  • Then render and as shown below the grey material is transparent showing the sphere inside while the red material is not:

enter image description here

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