diff --git a/index.html b/index.html
index af8206b36..211ba1bcc 100644
--- a/index.html
+++ b/index.html
@@ -12,6 +12,7 @@
 
     <!-- save / load -->
     <script src="./src/json-utils.js"></script>
+    <script src="https://cdn.jsdelivr.net/gh/akbartus/A-Frame-Component-Postprocessing/dist/post-processing.min.js"></script>
 
     <!-- ocean -->
     <script src="./src/components/ocean-plane.js"></script>
@@ -45,6 +46,7 @@
       vr-mode-ui-if-headset
       renderer="colorManagement: true; physicallyCorrectLights: true;"
       inspector="url: //3dstreet.app/dist/3dstreet-editor.js"
+      post-processing="effect: sketchy-pencil" 
       >
       <a-assets>
         <!-- uncomment the line below to load assets from local github submodule -->