> 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_addapertureshades.md).

# PO\_AddApertureShades

Add shades to apertures. It works with two different modalities, BorderShades and LouverShades.

## Options

* **SkipExistingShadeParent**

  Set to Yes to restrict the selection to only parent objects with no shades (default: Yes).
* **Depth**

  A number for the depth to extrude the louvers.
* **Indoor**

  Optional boolean for whether louvers should be generated facing the opposite direction of the aperture normal.
* **Angle**

  A number for the for an angle to rotate the louvers in degrees.
* **Distance\_between**

  A number for the approximate distance between each louver.
* **Shade\_count**

  A positive integer for the number of louvers to generate.
* **Depth**

  A number for the depth to extrude the louvers.
* **Facade\_offset**

  A number for the distance from the louver edge to the facade.
* **Flip\_start**

  Optional boolean to note whether the side the louvers start from should be flipped.
* **Vertical**

  Optional boolean to note whether the lovers are vertical.