Paint to apply transparency

You can create an Opacity channel for paint layers that lets you paint a transparent effect on a mesh, useful for simulating transparent real-world materials like glass and ice.

1. In the Layers window, switch to the Paint tab and click to create a new paint layer.
2. In the Create New Paint Layer window that appears, set the Channel to Opacity.
3. Select a paint tool from the Paint Tools tray, then set the tool Color to black.
   Note Painting with darker colors makes areas on a model more transparent, while painting with lighter colors make the areas more opaque. Paint with black for complete transparency, and paint with white for complete opacity.
4. Stroke to paint the areas you want to make transparent.

   Areas that you paint now appear with a glass-like transparent effect.

   Tip

   To change the transparency effect from the default glass-like appearance to a more cut-away effect, change the Opacity Affects property of the material from Diffuse Only to All Channels. To open the material properties, right-click the model in the scene and select Edit Material from the pop-up menu that appears.

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