---
title: "Pressure Attributes"
url: "https://help.maxon.net/zbp/en-us/Content/html/3_interface-and-gestures_apple-pencil-pressure-attributes.html"
section_path: "Interface & Gestures > Apple Pencil > Pressure Attributes"
description: "Sets the percentage change of the draw size as the pencil moves from minimum to maximum pressure."
---

# Pressure Attributes

![Image: 2024-3-pencil-pressure-attributes.PNG](https://help.maxon.net/zbp/en-us/Content/Resources/Images/2024-3-pencil-pressure-attributes.PNG)\
User Settings > Pressure Attributes Menu

### Size Sensitivity

Sets the percentage change of the draw size as the pencil moves from minimum to maximum pressure.

> **Note:** Negative values mean the brush size becomes smaller as pen pressure increases. If the value is 0, the brush size remains constant regardless of pen pressure.

### Z Sensitivity

Controls the Z intensity (**ZAdd** and **ZSub**) pressure sensitivity amount when using the pencil or sculpting with a brush.

Increasing **Z Sensitivity** increases how much the brush displaces geometry with **ZAdd** or **ZSub** when pressing harder with the pencil.

> **Note:** When **Z Sensitivity** is 0, Z pressure sensitivity is disabled and brush displacement relies exclusively on **ZAdd** and **ZSub** intensity settings.

### Color Sensitivity

Controls the color pressure sensitivity amount when using the pencil to Polypaint with a brush.

Increases in the **Color Sensitivity** slider increase how much the brush stroke outputs paint when pressing harder with the pencil.

> **Note:** When **Color Sensitivity** is 0, color output from the brush draws at a constant intensity defined by the **RGB** slider accessible in the left toolbar.

> **Note:** **Color Sensitivity** applies only to the RGB channel.

> **Important:** M channel material painting does not support pressure sensitivity variation output.