---
title: "Deformation"
url: "https://help.maxon.net/c4d/en-us/Content/html/ROCKMATERIAL_629F3C89_7B68_411E_A7CD_4A8D4DE72328-BC6L6PVFGJLP1LS_PKY3DO.html"
section_path: "The Node Editor > The individual Assets > Material > Rock Material > Deformation"
element_id: "ROCKMATERIAL_629F3C89_7B68_411E_A7CD_4A8D4DE72328"
group_id: "BC6L6PVFGJLP1LS_PKY3DO"
description: "This setting can be used to make the surface rougher. A bump effect will be created internally."
---

## Deformation

### Deformation

Parameter ID: `INPORT_KNIYVKBRAF2NVGGI0NA9QY` · Range: [-∞..+∞%]

This setting can be used to make the surface rougher. A bump effect will be created internally.

Small values will disable the respective effect, larger values will strengthen the effect correspondingly.