2. Replace the renderer with mentalray.

3. Click on the Material Editor to select a blank material ball.

4. Give a spiritual material.

5. Select a surface.

6. give an AO diagram.

7. Start editing. Different scenes give different parameters.

8. After setting the AO material, click the rendering panel and assign the set AO material to the replacement material to replace all the materials in the model. Then set the drawing resolution and render the drawing.

9. Render the AO diagram and save it in PNG format.

10, you can see that the rendering becomes brighter, the outline of the object becomes clearer, and the layering comes out, which is more real and clear.