---
title: "Assigning Materials To Faces"
canonical: "https://rmanwiki-26.pixar.com/space/RFH26/19268189/Assigning%20Materials%20To%20Faces"
format: markdown
---
We can assign different surface and displacement to different faces.

![image](media://9284324f-6a66-4e53-b8e8-16ffdbf79ae6)

### Setting Up Group

To add a selection of faces to a group:

- Change your selection mode to primitives.
- Select the faces in the Viewport.
- *In the Viewport*, hit the TAB key and select **Group** to add the faces to the group.

### Assigning Material To Groups

Add a **Material**.

![image](media://bda9ef42-a1b6-4ca7-baf6-2c8d34469db6)


If you want to assign both Bxdf and displacement shader, you will need to connect to the collect_output both the surface and displacement shaders inside a PxrMaterialBuilder node. 

Assign your group to the material by setting the Material to either a collect vop (see above) or a Bxdf.

![image](media://79a1ab1d-36d4-4779-97a7-fafc897acc6a)