Others
Letterbox
Preview and parameter reference for the Rich FX Letterbox effect.

This effect draws letterboxes on the edges of the screen according to a particular aspect ratio. You can use it to limit your screen on different display monitors with varying aspect ratios.
Parameters
| Parameter | Description |
|---|---|
| Enabled | Toggles the effect on/off. |
| Color | Color of the drawn boxes. |
| Aspect Ratio Type | Choose the target aspect ratio, or input your own. |
| Custom Aspect | Target width-to-height ratio when Aspect Ratio Type is set to Custom. |