# Change materials

## Introduction

In the dynamic world of fashion design, keeping up with trends requires constant adaptation of colors, materials, and textures to craft fresh and innovative looks. Manually implementing these changes can be both time-consuming and tedious. With Fermat, you can effortlessly **apply new materials and textures** to your designs with just a few clicks, helping you create the perfect collection.

## Step by step guide

To change the textures and materials of your designs, follow these steps:

{% stepper %}
{% step %}

### Open the AI tool

1. Go to [Fermat.app](https://fermat.app/) and log into your account.
2. Open:
   * '[Change materials](https://toolmaker.fermat.app/tool/change-materials-330ca1fd-eb0b-482d-9297-a1592f082202)' tool if you want to modify the material from a garment.
   * '[Change materials](https://toolmaker.fermat.app/tool/change-materials-4068ad31-4efd-46f9-b8b5-725803769327)' tool if you want to change the material from an accessory.
     {% endstep %}

{% step %}

### Upload your design

Upload the design that you want to refine.

{% hint style="warning" %}
The sketch should not include a model wearing the garment.
{% endhint %}

{% hint style="success" %}
Supported formats: JPEG, PNG, and WEBP
{% endhint %}
{% endstep %}

{% step %}

### Describe your garment and new material:

Define how you want to restyle it by providing an accurate description of the design and the desired material.

{% hint style="info" %}
Example: Washed denim jacket
{% endhint %}
{% endstep %}

{% step %}

### Generate image

Click the '*Generate*' button and let the AI process your inputs. Within seconds, you will have your new design refined.

{% hint style="warning" %}
Review the output and, if necessary, **use the magic brush** to improve the results.
{% endhint %}

<figure><img src="/files/VdVrhY9fXvz0BJIfRGwQ" alt="" width="563"><figcaption><p>Generate button</p></figcaption></figure>
{% endstep %}
{% endstepper %}

{% embed url="<https://youtu.be/pzwaq66Oq9k>" %}

### (Optional) Provides a sample of the material:

You can provide a custom material sample from your material library to apply to the design.


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