> For the complete documentation index, see [llms.txt](https://docs.phoenixlidar.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.phoenixlidar.com/spatialexplorer-8-and-9/user-interface/toolbars/lidarmill/manage-grids.md).

# Manage Grids

<figure><img src="https://2222094320-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdEevfLZRIk38LUPwDa4V%2Fuploads%2FCwdt5WCF8VIvX65E3y9q%2Fgrid2.svg?alt=media&amp;token=b3c1e7ee-c20c-4c8b-9fc2-04cfb87ef9d6" alt=""><figcaption></figcaption></figure>

You can download geoid grids from the Manage Grids menu. Grids can be filtered using the search bar:

<figure><img src="https://2222094320-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdEevfLZRIk38LUPwDa4V%2Fuploads%2Fjk4X9O3QtcmUYWXrcC5c%2Fimage.png?alt=media&amp;token=477564bd-5c69-40ee-aaaa-dd2ad0e23ae9" alt=""><figcaption></figcaption></figure>

If a grid is not downloaded, you can select **Download selected grid** to download the grid from LiDARMill. If a grid is downloaded the status will be shown as **Saved**. Downloading geoid grids requires an internet connection.&#x20;