# VignetteShader ## Import VignetteShader is an addon, and must be imported explicitly, see [Installation#Addons](https://threejs.org/manual/#en/installation). ```js import { VignetteShader } from 'three/addons/shaders/VignetteShader.js'; ``` ## Properties ### .VignetteShader : ShaderMaterial~Shader (inner, constant) Based on [PaintEffect postprocess from ro.me](https://github.com/dataarts/3-dreams-of-black/blob/master/deploy/js/effects/PaintEffect.js). ## Source [examples/jsm/shaders/VignetteShader.js](https://github.com/mrdoob/three.js/blob/master/examples/jsm/shaders/VignetteShader.js)