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I have built a residential area in 3D in Blender that appears on some drone footage. The residential area is partially hidden behind some other buildings. I would like to mask out that part.

Below the arrow I would like to add a mask in the red square to hide the 3D block of apartments behind the real building

TARDIS Maker
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Hank
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  • Hi Hank, and welcome to Blender SE. You can find the answer here, for Blender Cycles: http://blender.stackexchange.com/questions/7613/create-invisibility-cloak-alpha-mask-material, and here for Blender Internal renderer: http://blender.stackexchange.com/questions/33301/invisible-object-that-hides-other-objects-as-a-mask/33846#33846. Cheers! – Polosson Jan 27 '16 at 17:25
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    Could you please clarify this? I'm not sure if you're trying to mask out video footage, or 3D objects. Thanks! – TARDIS Maker Jan 27 '16 at 19:40
  • Related: http://blender.stackexchange.com/q/44397/2843 (actually a duplicate, but no answer yet, though tons of links to similar questions) – Samoth Jan 27 '16 at 21:06
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    added a picture, hopefully it will clarify any questions. – Hank Jan 28 '16 at 18:41
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    @Hank Thanks, makes it much more clear :) Have you looked at the question that this was marked as a duplicate to? Does that help? – TARDIS Maker Jan 28 '16 at 18:47

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