2. Then, we create a new model and add section lines and Lambert materials.
3. Then we enter the Lambert material and click on the triangle below to set it.
4. Then we select "Enable contour rendering" to use wireframe rendering and change the color of the wireframe below.
5. Open the rendering settings and switch the renderer to the mental ray option.
6. Then, we also selected the option of "Enable contour rendering" at the bottom of "Functions".
7. Then, we extend "Draw by Attribute Difference" and continue to check "Around All Polygon Faces".
8. It also needs to be set in Maya. Just set the traditional sampling mode to adaptive sampling in the Quality panel of the rendering settings.