# Sandbox.ModelBuilder.AddCollisionCapsule

```csharp
ModelBuilder AddCollisionCapsule(Vector3 center0, Vector3 center1, float radius)
```

Adds a capsule collision shape.

### Parameters

- `center0` (`Vector3`): The center of the first rounded end.
- `center1` (`Vector3`): The center of the second rounded end.
- `radius` (`float`): The capsule radius.

### Returns

`ModelBuilder`

Declared in [Sandbox.ModelBuilder](/api/Sandbox.ModelBuilder).
Assembly: `Sandbox.Engine`.