# Cinemachine Confiner 3D

Use the __Cinemachine Confiner 3D__ [extension](concept-procedural-motion.md#extensions) to limit the camera’s position to a volume.

The camera’s position in 3D is confined to a volume.

| **Property:** || **Function:** |
|:---|:---|:---|
| __Bounding Volume__ || The 3D volume to contain the camera in. |
| __Slowing Distance__ || Size of the slow-down zone at the edge of the bounding volume.  When the camera is moving towards an edge and is within this distance of it, it will slow down gradually until the edge is reached. |