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Is it possible to specify multiple disjunct render borders?

trivial example

I realize that this is trivial when rendering but it would be very useful when previewing on a less-powerful computer. I have two complex meshes on separate sides of the scene and would like to preview them both at once.

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Do you mean when using cycles preview, or just set the rendering to two different places for a test render? – G.Rassovsky Aug 12 '14 at 16:30
Using Cycles preview - edited to reflect that – splic Aug 12 '14 at 16:41
best question I have seen in awhile. – David Aug 13 '14 at 1:23
up vote 10 down vote accepted

Unfortunately this is not possible currently, you can only have one renderborder per 3D view.

However, you can have multiple 3D views, each with it's own renderborder:

enter image description here

Note that you can only have one camera renderborder which is global for all cameras, so this is only possible in viewport render.

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A great workaround - this is perfectly sufficient. – splic Aug 12 '14 at 17:41

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