Maya Quick AO (render Layers) - Rendering Tutorial 

This quick tutorial shows you how to set up Ambient Occlusion (AO) using the render layers. This quick but powerful method allows you to render a beauty pass at the same time as the AO pass, greatly increasing productivity when it comes to rendering.
You may also be interested in quick AO using Surface shader:
• Maya Quick AO (Surface...
Or a full in depth tutorial on how AO works for both internal and external scenes:
• Video
Chris

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