---
title: "init(ringRadius:pipeRadius:)"
framework: scenekit
role: symbol
role_heading: Initializer
path: "scenekit/scntorus/init(ringradius:piperadius:)"
---

# init(ringRadius:pipeRadius:)

Creates a torus geometry with the specified ring radius and pipe radius.

## Declaration

```swift
convenience init(ringRadius: CGFloat, pipeRadius: CGFloat)
```

## Parameters

- `ringRadius`: The major radius of the torus, defining its circular ring in the x- and z-axis dimensions of its local coordinate space.
- `pipeRadius`: The minor radius of the torus, defining the pipe that encircles the ring.

## Return Value

Return Value A new torus geometry.

## Discussion

Discussion The torus is centered in its local coordinate system. For example, if you create a torus whose ring radius is 5.0 and pipe radius is 1.0, it extends from -6.0 to 6.0 (with a hole through the center from -4.0 to 4.0) in the x- and z-axes and from -1.0 to 1.0 in the y-axis.