# Sandbox.PolygonMesh.GetVisibleEdges

```csharp
IEnumerable<Line> GetVisibleEdges()
```

Get the start and end points of all edges still used by a face that isn't hidden

### Returns

`IEnumerable<Line>`

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