# Magic brush & eraser
## Introduction
In fashion design, making structural changes like adding or removing elements such as collars, zippers, or pockets can be a tedious and time-consuming task. Traditionally, this process involves hours of manual work in design software, limiting creative exploration and slowing down production cycles. With Fermat, designers can now **modify structural elements effortlessly**. Whether you need to add a turtleneck to a sweater or remove pockets from a biker jacket, Fermat lets you make these adjustments, removing the need for complex Photoshop edits. In this guide, we’ll walk you through how to make structural modifications instantly by using Fermat's *'Magic brush'* & *'Magic eraser*' tools.
## Step by step guide
### Magic brush
To add structural elements on 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: '[Magic brush](https://toolmaker.fermat.app/tool/magic-brush-garment-4ba3f8c6-abef-41e8-8490-4b11b2dcddbb)' tool if you want to **add** new elements.
{% endstep %}
{% step %}
### Describe the changes
Specify **only** what you want to add.
{% hint style="info" %}
Example: Sleeve side cargo pockets
{% endhint %}
{% endstep %}
{% step %}
### Upload your design
Click the upload area and select the design that you want to modify.
{% hint style="success" %}
Supported formats: JPEG, PNG, and WEBP
{% endhint %}
{% endstep %}
{% step %}
### Paint a specific area
Indicate with the painting tool where you want the pocket, zipper closure, etc., to appear on the design.
{% endstep %}
{% step %}
### Generate image
Click on the *'Generate'* button and let the AI process your inputs. In a few seconds, you will have your new design.
{% hint style="warning" %}
Review the output, and if necessary, **refine both the painted area and the prompt** to improve the results.
{% endhint %}
Generate button
{% endstep %}
{% endstepper %}
{% embed url="" %}
This video demonstrates how to add structural elements, such as a turtleneck, to your designs.
{% endembed %}
### Magic eraser
To remove structural elements from your designs, follow these steps:
{% stepper %}
{% step %}
### Open the AI
1. Go to [Fermat.app](https://fermat.app/) and log into your account.
2. Open: '[Magic eraser](https://toolmaker.fermat.app/tool/magic-eraser-migration-cd5a87fd-057f-4db8-b705-ca0063cb90bd)' tool if you want to **remove** elements.
{% endstep %}
{% step %}
### Select a page
Inside the Magic Eraser tool, there are two pages:
1. The first page allows you to erase small elements such as placement prints and other minor details.
2. The second page allows you to erase larger structural elements such as pockets, zippers, collars, etc.
{% endstep %}
{% step %}
### Upload your design
Click the upload area and select the design that you want to erase.
{% hint style="success" %}
Supported formats: JPEG, PNG, and WEBP
{% endhint %}
{% endstep %}
{% step %}
### Paint a specific area
Indicate with the painting tool which zipper, pocket, or zip closure you want to erase from the design.
{% endstep %}
{% step %}
### Generate image
Click on the *'Generate'* button and let the AI process your inputs. In a few seconds, you will have your new design.
{% hint style="warning" %}
Review the output, and if necessary, **refine both the painted area and creativity level** to improve the results.
{% endhint %}
Generate button
{% endstep %}
{% endstepper %}
{% embed url="" %}
Learn how to remove structural elements, such as pockets, from your designs in this video.
{% endembed %}
## Examples
