> For the complete documentation index, see [llms.txt](https://docs.pollination.solutions/user-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.pollination.solutions/user-manual/rhino-plugin/pollination-commands/alphabetically/po_checkplanarity.md).

# PO\_CheckPlanarity

Analysis selected surfaces for planarity and visualize non-planar surfaces.

Notes:

* A pollination model is made by planar geometries.

<figure><img src="https://user-images.githubusercontent.com/2915573/209992073-f5b8db70-4e38-4fc3-a5f9-e16087724b45.gif" alt=""><figcaption><p>Check planarity for input geometry.</p></figcaption></figure>