> For the complete documentation index, see [llms.txt](https://interopxyz.gitbook.io/three-plus/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://interopxyz.gitbook.io/three-plus/components/materials/material-maps/metalness-map.md).

# Metalness Map

Apply a Metalness Map

## Description

Apply a Metalness Map to a material

{% tabs %}
{% tab title="Preview" %}
![](https://2542354621-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FbH1SBOktQqL8caPM2Xpc%2Fuploads%2FkK48f2xAh70N0bGCX3GY%2FMaterials-Map-Metalness.png?alt=media\&token=1f76300b-55b8-4cb9-b58a-0eaff036d8f9)
{% endtab %}

{% tab title="Location" %}
**Name** | Metalness Map

**Nickname** | Metalness

**Tab** | ThreeJs

**Panel** | Materials

**Division** | 5
{% endtab %}

{% tab title="Inputs" %}
**M** | **Model Element** (*T+ Model*) | A Three Plus Model, Mesh, or Brep

**Mm** | **Metalness Map** (*Bitmap*) | The blue channel of this texture is used to alter the metalness of the material. (A System Drawing Bitmap or full file path to an image.)

**A** | **Metalness** (*Number*) | How much the material is like a metal. Non-metallic materials such as wood or stone use 0.0, metallic use 1.0, with nothing (usually) in between 0-1.
{% endtab %}

{% tab title="Ouputs" %}
**M** | **Model Element** (*T+ Model*) | The updated Three Plus Model Element
{% endtab %}

{% tab title="Mode" %}
*none*
{% endtab %}
{% endtabs %}

## Usage
