> For the complete documentation index, see [llms.txt](https://docs.struct.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.struct.com/pim3/reference/product-model-setup/dimensions.md).

# Dimensions

You can add or update dimensions through [Product model setup](/pim3/reference/product-model-setup.md) > [Dimensions](/pim3/reference/product-model-setup/dimensions.md).

### Add a dimension

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

### Edit dimension

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

### Delete dimension

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

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


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