diff --git a/packages/viewer-sandbox/assets/1.png b/packages/viewer-sandbox/assets/1.png
new file mode 100644
index 000000000..5928ab33b
Binary files /dev/null and b/packages/viewer-sandbox/assets/1.png differ
diff --git a/packages/viewer-sandbox/assets/2.png b/packages/viewer-sandbox/assets/2.png
new file mode 100644
index 000000000..03fa2e730
Binary files /dev/null and b/packages/viewer-sandbox/assets/2.png differ
diff --git a/packages/viewer-sandbox/assets/3.png b/packages/viewer-sandbox/assets/3.png
new file mode 100644
index 000000000..fe5c4ad24
Binary files /dev/null and b/packages/viewer-sandbox/assets/3.png differ
diff --git a/packages/viewer-sandbox/assets/4.png b/packages/viewer-sandbox/assets/4.png
new file mode 100644
index 000000000..21c5358e2
Binary files /dev/null and b/packages/viewer-sandbox/assets/4.png differ
diff --git a/packages/viewer-sandbox/assets/5.png b/packages/viewer-sandbox/assets/5.png
new file mode 100644
index 000000000..0bae00833
Binary files /dev/null and b/packages/viewer-sandbox/assets/5.png differ
diff --git a/packages/viewer-sandbox/assets/6.png b/packages/viewer-sandbox/assets/6.png
new file mode 100644
index 000000000..caa01ef15
Binary files /dev/null and b/packages/viewer-sandbox/assets/6.png differ
diff --git a/packages/viewer-sandbox/assets/sample-hdri.png b/packages/viewer-sandbox/assets/sample-hdri.png
new file mode 100755
index 000000000..5fdde5995
Binary files /dev/null and b/packages/viewer-sandbox/assets/sample-hdri.png differ
diff --git a/packages/viewer-sandbox/src/Sandbox.ts b/packages/viewer-sandbox/src/Sandbox.ts
index fb9ed0ec0..e29837996 100644
--- a/packages/viewer-sandbox/src/Sandbox.ts
+++ b/packages/viewer-sandbox/src/Sandbox.ts
@@ -25,7 +25,14 @@ import { FilteringExtension } from '@speckle/viewer'
 import { MeasurementsExtension } from '@speckle/viewer'
 import { CameraController } from '@speckle/viewer'
 import { UpdateFlags } from '@speckle/viewer'
-import { Viewer } from '@speckle/viewer'
+import { Viewer, AssetType, Assets } from '@speckle/viewer'
+import hdri0 from '../assets/sample-hdri.png'
+import hdri1 from '../assets/1.png'
+import hdri2 from '../assets/2.png'
+import hdri3 from '../assets/3.png'
+import hdri4 from '../assets/4.png'
+import hdri5 from '../assets/5.png'
+import hdri6 from '../assets/6.png'
 
 import { Euler, Vector3 } from 'three'
 
@@ -839,6 +846,33 @@ export default class Sandbox {
       title: 'Indirect',
       expanded: true
     })
+    const hdriParams = {
+      id: 1
+    }
+    indirectLightsFolder
+      .addInput(hdriParams, 'id', {
+        label: 'HDRI',
+        options: {
+          0: hdri0,
+          1: hdri1,
+          2: hdri2,
+          3: hdri3,
+          4: hdri4,
+          5: hdri5,
+          6: hdri6
+        }
+      })
+      .on('change', async (value) => {
+        this.viewer.getRenderer().indirectIBL = await Assets.getEnvironment(
+          {
+            id: hdriParams.id,
+            src: value.value,
+            type: AssetType.TEXTURE_EXR
+          },
+          this.viewer.getRenderer().renderer
+        )
+        this.viewer.requestRender()
+      })
 
     indirectLightsFolder
       .addInput(this.lightParams, 'indirectLightIntensity', {
diff --git a/packages/viewer-sandbox/src/main.ts b/packages/viewer-sandbox/src/main.ts
index 263e233b4..a529d6a15 100644
--- a/packages/viewer-sandbox/src/main.ts
+++ b/packages/viewer-sandbox/src/main.ts
@@ -119,7 +119,7 @@ const getStream = () => {
     // prettier-ignore
     // 'https://speckle.xyz/streams/da9e320dad/commits/5388ef24b8?c=%5B-7.66134,10.82932,6.41935,-0.07739,-13.88552,1.8697,0,1%5D'
     // Revit sample house (good for bim-like stuff with many display meshes)
-    // 'https://speckle.xyz/streams/da9e320dad/commits/5388ef24b8'
+    'https://speckle.xyz/streams/da9e320dad/commits/5388ef24b8'
     // 'https://latest.speckle.dev/streams/58b5648c4d/commits/60371ecb2d'
     // 'Super' heavy revit shit
     // 'https://speckle.xyz/streams/e6f9156405/commits/0694d53bb5'
@@ -248,7 +248,7 @@ const getStream = () => {
     // 'https://latest.speckle.dev/streams/f92e060177/commits/038a587267'
     // 'https://latest.speckle.dev/streams/3f895e614f/commits/8a3e424997'
     // 'https://latest.speckle.dev/streams/f92e060177/commits/f51ee777d5'
-    'https://latest.speckle.dev/streams/f92e060177/commits/bbd821e3a1'
+    // 'https://latest.speckle.dev/streams/f92e060177/commits/bbd821e3a1'
     // Big curves
     // 'https://latest.speckle.dev/streams/c1faab5c62/commits/49dad07ae2'
     // 'https://speckle.xyz/streams/7ce9010d71/commits/afda4ffdf8'
diff --git a/packages/viewer/src/index.ts b/packages/viewer/src/index.ts
index 1088142ca..f41ec857c 100644
--- a/packages/viewer/src/index.ts
+++ b/packages/viewer/src/index.ts
@@ -1,5 +1,6 @@
 import { Viewer } from './modules/Viewer'
 import {
+  AssetType,
   DefaultLightConfiguration,
   DefaultViewerParams,
   IViewer,
@@ -66,6 +67,7 @@ import SpeckleStandardMaterial from './modules/materials/SpeckleStandardMaterial
 import SpeckleTextMaterial from './modules/materials/SpeckleTextMaterial'
 import { SpeckleText } from './modules/objects/SpeckleText'
 import { NodeRenderView } from './modules/tree/NodeRenderView'
+import { Assets } from './modules/Assets'
 
 export {
   Viewer,
@@ -105,7 +107,9 @@ export {
   SpeckleStandardMaterial,
   SpeckleTextMaterial,
   SpeckleText,
-  NodeRenderView
+  NodeRenderView,
+  Assets,
+  AssetType
 }
 
 export type {
diff --git a/packages/viewer/src/modules/SpeckleRenderer.ts b/packages/viewer/src/modules/SpeckleRenderer.ts
index f9a95a52a..dba930e8f 100644
--- a/packages/viewer/src/modules/SpeckleRenderer.ts
+++ b/packages/viewer/src/modules/SpeckleRenderer.ts
@@ -197,6 +197,7 @@ export default class SpeckleRenderer {
 
   public set indirectIBL(texture: Texture) {
     this._scene.environment = texture
+    this._scene.background = texture
   }
 
   public set indirectIBLIntensity(value: number) {
diff --git a/packages/viewer/src/modules/Viewer.ts b/packages/viewer/src/modules/Viewer.ts
index f0254221a..2cbcbb529 100644
--- a/packages/viewer/src/modules/Viewer.ts
+++ b/packages/viewer/src/modules/Viewer.ts
@@ -41,7 +41,7 @@ export class Viewer extends EventEmitter implements IViewer {
   /** Viewer components */
   protected tree: WorldTree = new WorldTree()
   protected world: World = new World()
-  public static Assets: Assets
+  public static readonly theAssets: Assets = new Assets()
   public speckleRenderer: SpeckleRenderer
   protected propertyManager: PropertyManager
 
@@ -143,7 +143,6 @@ export class Viewer extends EventEmitter implements IViewer {
     this.speckleRenderer.create(this.container)
     window.addEventListener('resize', this.resize.bind(this), false)
 
-    new Assets()
     this.propertyManager = new PropertyManager()
 
     this.frame()