API Reference > frontend-devTools > Tools > FrustumDecorator FrustumDecorator Class Beta Decorates the viewport with a graphical depiction of a Frustum. This is obviously only useful when drawn inside a viewport using a different Frustum. Options for doing so include: Having more than one viewport, and drawing the frustum of one viewport inside the other viewports; and Allowing the user to take a snapshot of the current frustum, then navigate the view to inspect it within the same viewport. Implements Decorator Methods Name Description decorate(context: DecorateContext): void disable(): void Static Remove the decoration from the specified viewport. enable(vp: Viewport): void Static Add the decoration to the specified viewport. Properties Name Type Description isEnabled Accessor StaticReadOnly boolean Defined in frontend-devtools/src/tools/FrustumDecoration.ts Line 157 Last Updated: 13 June, 2024