diff --git a/assets/js/outline-model-viewer/PointCloudViewer.js b/assets/js/outline-model-viewer/PointCloudViewer.js
index 50a9ee8..d231f49 100644
--- a/assets/js/outline-model-viewer/PointCloudViewer.js
+++ b/assets/js/outline-model-viewer/PointCloudViewer.js
@@ -62,13 +62,13 @@ export class PointCloudViewer extends HTMLElement {
     dirLight.position.set(5, 5, 10);
     scene.add(dirLight);
 
-    window.addEventListener("resize", onWindowResize, false);
+    window.addEventListener("resize", this.onWindowResize, false);
 
-    function onWindowResize() {
+    this.onWindowResize = () => {
       this.camera.aspect = canvas.clientWidth / canvas.clientHeight;
       this.camera.updateProjectionMatrix();
       renderer.setSize(canvas.clientWidth, canvas.clientHeight);
-    }
+    };
     const timer = new Timer();
 
     const update = () => {
diff --git a/assets/js/outline-model-viewer/helpers.js b/assets/js/outline-model-viewer/helpers.js
index 333916b..bcabdd2 100644
--- a/assets/js/outline-model-viewer/helpers.js
+++ b/assets/js/outline-model-viewer/helpers.js
@@ -75,7 +75,7 @@ function componentHTML(component_rect) {
   return `
       <div id="container">
       <span id = "clicked-item"></span>
-      <!-- <button id="fullscreen-btn">⛶</button> --!>
+      <button id="fullscreen-btn">⛶</button>
       <canvas class = "object-viewer"></canvas>
       </div>
       <link rel="stylesheet" href="/node_modules/lil-gui/dist/lil-gui.min.css">
@@ -103,8 +103,8 @@ function componentHTML(component_rect) {
 
         #fullscreen-btn {
           position: absolute;
-          top: 10px;
-          right: 10px;
+          top: 0.2em;
+          right: 0.3em;
           z-index: 10;
           font-size: 24px;
           background: none;
@@ -133,6 +133,10 @@ function componentHTML(component_rect) {
           --string-color: #a2db3c;
       }
 
+      .lil-gui div.title {
+        margin: 0.5em;
+        }
+
       .lil-gui button {
         border: var(--theme-subtle-outline) 1px solid;
       }
@@ -148,6 +152,25 @@ function componentHTML(component_rect) {
           height: ${height}px;
           border-radius: inherit;
         }
+
+        #container.fullscreen {
+            position: fixed;
+            top: 0;
+            left: 0;
+            width: 100%;
+            height: 100%;
+            z-index: 1;
+            background: var(--theme-bg-color);
+            }
+        
+        #container.fullscreen canvas {
+            height: 100%;
+        }
+
+        #container.fullscreen .lil-gui.root {
+            margin-top: 0;
+            width: 200px;
+        }
       </style>
     `;
 }
@@ -204,6 +227,30 @@ function setupThreeJS(component) {
   component.gui.add(params, "screenshot").name("Take Screenshot");
   component.gui.add(params, "resetCamera").name("Reset Viewport");
 
+  component.full_screen = false;
+  //   clone of original rect
+  component.original_rect = {
+    width: component_rect.width,
+    height: component_rect.height,
+  };
+
+  component.toggleFullScreen = () => {
+    component.full_screen = !component.full_screen;
+    if (component.full_screen) {
+      component.container.classList.add("fullscreen");
+    } else {
+      component.container.classList.remove("fullscreen");
+      component.canvas.height = component.original_rect.height;
+    }
+    component.canvas.removeAttribute("style");
+    component.canvas.removeAttribute("width");
+    component.canvas.removeAttribute("height");
+    component.onWindowResize();
+  };
+
+  const fullScreenButton = component.shadow.querySelector("#fullscreen-btn");
+  fullScreenButton.addEventListener("click", component.toggleFullScreen);
+
   return component;
 }
 
diff --git a/assets/js/outline-model-viewer/index.js b/assets/js/outline-model-viewer/index.js
index a4e51d7..ff52502 100644
--- a/assets/js/outline-model-viewer/index.js
+++ b/assets/js/outline-model-viewer/index.js
@@ -466,7 +466,8 @@ export class OutlineModelViewer extends HTMLElement {
 
     // const fullScreenButton = this.shadow.querySelector("#fullscreen-btn");
     // fullScreenButton.addEventListener("click", () => toggleFullScreen());
-    // window.addEventListener("resize", onWindowResize, false);
+
+    window.addEventListener("resize", onWindowResize, false);
 
     // Handle fullscreen change events triggerd through various means
     function onFullScreenChange() {