# Dimensions

You can add or update dimensions through [Product model setup](https://docs.struct.com/pim3/reference/product-model-setup) > [Dimensions](https://docs.struct.com/pim3/reference/product-model-setup/dimensions).

### Add a dimension

1. Click "Add new dimension"
2. Set Dimension name and Dimension segments along with additional [details](https://docs.struct.com/pim3/reference/product-model-setup/dimensions/dimension-details)
3. Click "Save dimensions"

### Edit dimension

1. Click the name of the dimension you want to edit
2. Modify the dimension [details](https://docs.struct.com/pim3/reference/product-model-setup/dimensions/dimension-details)
3. Click "Save dimensions"

### Delete dimension

1. Click "Delete"-icon
2. Click "Save dimensions"

{% hint style="info" %}
Read more about segmentation here: [Localization & segmentation](https://docs.struct.com/pim3/fundamental-concepts/localization-and-segmentation#dimensions-and-segments).
{% endhint %}