> For the complete documentation index, see [llms.txt](https://www.blenderguppy.com/add-ons/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.blenderguppy.com/add-ons/crosshatch.md).

# Crosshatch

The **Preselect** add-on is a support tool for the [Random Flow](/add-ons/random-flow.md) add-on that deals with the selection of large groups of faces where randomization can take place.

{% content-ref url="/spaces/4r0AELTCYZZ7h3JlR2Hg/pages/SruRqMjeRrlG6Z8d9R92" %}
[Installation](/add-ons/track-lights/installation.md)
{% endcontent-ref %}

{% content-ref url="/spaces/4r0AELTCYZZ7h3JlR2Hg/pages/yzF5BjMrrVm87GlznIcb" %}
[Functions](/add-ons/track-lights/functions.md)
{% endcontent-ref %}

{% content-ref url="/spaces/4r0AELTCYZZ7h3JlR2Hg/pages/GsbsR242Wqn9bC8CNbhB" %}
[Changelog](/add-ons/track-lights/changelog.md)
{% endcontent-ref %}