diff --git a/web/filament-js/filament.d.ts b/web/filament-js/filament.d.ts
index db209c5d2c..1e9a3a3f12 100644
--- a/web/filament-js/filament.d.ts
+++ b/web/filament-js/filament.d.ts
@@ -240,6 +240,13 @@ export class IndirectLight {
     public setIntensity(intensity: number);
 }
 
+export class IcoSphere {
+    constructor(nsubdivs: number);
+    vertices: Float32Array;
+    tangents: Uint16Array;
+    triangles: Uint16Array;
+}
+
 export class Scene {
     public addEntity(entity: Entity);
     public getLightCount(): number;
diff --git a/web/samples/webpack/package.json b/web/samples/webpack/package.json
index 6f89f18918..e786697785 100644
--- a/web/samples/webpack/package.json
+++ b/web/samples/webpack/package.json
@@ -13,7 +13,9 @@
     "webpack-cli": "^3.1.2"
   },
   "dependencies": {
+    "@types/gl-matrix": "2.4.5",
     "copy-webpack-plugin": "^4.6.0",
-    "filament": "^1.2.0"
+    "filament": "1.3.0",
+    "gl-matrix": "2.4.5"
   }
 }
diff --git a/web/samples/webpack/src/app.ts b/web/samples/webpack/src/app.ts
index 2c4feb7967..0fffe2d5f5 100644
--- a/web/samples/webpack/src/app.ts
+++ b/web/samples/webpack/src/app.ts
@@ -15,8 +15,10 @@
  */
 
 import * as Filament from "filament";
+import * as glm from "gl-matrix";
 
 Filament.init([], () => {
+    window["vec3"] = glm.vec3;
     window["app"] = new App(document.getElementsByTagName('canvas')[0]);
 });