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Imagine a green suzanne have an eyebrow Green suzanne after sometime suzanne grew hair Green suzanne with hair

my question is how do i make suzanne eyebrow visible even though the eyebrow is obstructed/blocked by the hair in rendered view?

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    $\begingroup$ should eyebrow be always visible in front of everything else, or only in front of the hair? $\endgroup$
    – m.ardito
    Nov 8, 2017 at 12:18
  • $\begingroup$ only in front of the hair $\endgroup$
    – ratzo
    Nov 9, 2017 at 8:11

2 Answers 2

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Here is how to do it with render layers and compositor.

Set Suzanne, Eyebrows, and hair on 3 different layers. enter image description here

enter image description here

enter image description here

Create 3 render layers with these different objects in them. Here a single example, just do the same for the others.

enter image description here

Then you go to the compositor, press Use Nodes, and set up the following nodes:

enter image description here

Don't forget to set the film transparency :

enter image description here

Then, select all the involved layers, and render your scene.

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  • $\begingroup$ Of course, you may want to change this setup in order to take the rest of your scene into account. $\endgroup$
    – Maxx
    Nov 8, 2017 at 12:36
  • $\begingroup$ Although technically correct, shadows of the eyebrows are missing, right? Seems to me that the question is pointless (in an aesthetic sense). $\endgroup$
    – brockmann
    Nov 8, 2017 at 22:28
  • $\begingroup$ I think all the shadows are here since I did not Chek any layers in the exclude section of my render layers. I do not have the file anymore and am away from my computer anyway. $\endgroup$
    – Maxx
    Nov 8, 2017 at 23:42
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Since 2.8 layers converted into collections, but everything else is the same.

Split object into 3 collections:

enter image description here

View layers is in top right corner, add 3 here:

enter image description here

Use checkbox icons to set visibility for each layer:

enter image description here

Enable Film -> Transparency:

EEVEE:

enter image description here

Cycles:

enter image description here

Compositing is same as before, except that there is a dedicated workspace for compositing:

enter image description here

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  • $\begingroup$ Great demo, great answer, very Appreciated. Thanks. $\endgroup$ Aug 14, 2022 at 4:48

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