Wireframe rendering in Mental ray

1. 在材質的shading group(SG)中展開mental ray/Contours標籤
2. 勾選Enable Contour Rendering，設定Color, Alpha, Width
3. 開啟Render Settings，在Features/Contours標籤中勾選Enable Contour Rendering
4. 在Draw By Property Difference中設定所需的render方式，勾選Around all poly faces以render所有的edges