# Brush

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## When to use

Use Brush to provide localized visual guidance to the AI model. Draw shapes, separate instructions by color, and clarify intent directly on the canvas.

***

## How to use

You may use the Brush tool in combination with the following tasks: AI Model Generation or Combo.

{% stepper %}
{% step %}

#### Select the "Brush" Tool

Under the scene, select the <i class="fa-paintbrush" style="color:$primary;">:paintbrush:</i> <kbd><mark style="color:$primary;">**Brush**<mark style="color:$primary;"></kbd> from the tools menu.
{% endstep %}

{% step %}

#### Draw on the Scene

Draw shapes directly on the canvas to indicate areas of change.
{% endstep %}

{% step %}

#### **Adjust Brush Size:**

In the brush sub-menu:

* Slide the size indicator to adjust brush thickness.
* Enter a numerical value manually.
* Select a numerical value by hovering over the displayed number.
  {% endstep %}

{% step %}

#### Change Brush Color

Each selected color will create a separate layer. Use different colors to separate instructions.

From the brush sub-menu:

1. Select the color circle on the left side of the sub-menu.
2. Select from the color palette
3. Select a color using the <i class="fa-eye-dropper" style="color:$primary;">:eye-dropper:</i> color picker tool
4. Input a HEX color value in the text input field
   {% endstep %}

{% step %}

#### Use the Eraser Tool

To remove drawn areas:

* Select the <i class="fa-eraser" style="color:$primary;">:eraser:</i> <kbd><mark style="color:$primary;">**Eraser**<mark style="color:$primary;"></kbd> from the tools menu beside the brush tool.
* Erase any part of the drawing as needed.
* Only drawn brush strokes will be erased.
  {% endstep %}

{% step %}

#### Reference Brush Layers in Your Prompt

Use the brush layers colors or shapes to clarify how the AI should interpret specific areas.

In the right-side Generation Settings settings panel:

1. Write directly in the text prompt field.
2. Reference the colors or shapes you have drawn to communicate intent.
   {% endstep %}
   {% endstepper %}


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# Agent Instructions: Querying This Documentation

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.theseaai.com/tools/brush.md?ask=<question>
```

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The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.