diff --git a/Apps/SampleData/models/Pawns/Pawns.glb b/Apps/SampleData/models/Pawns/Pawns.glb
new file mode 100644
index 000000000000..417011c061d9
Binary files /dev/null and b/Apps/SampleData/models/Pawns/Pawns.glb differ
diff --git a/Apps/SampleData/models/Spheres/MetalRoughSpheres.glb b/Apps/SampleData/models/Spheres/MetalRoughSpheres.glb
deleted file mode 100644
index 4118e6050652..000000000000
Binary files a/Apps/SampleData/models/Spheres/MetalRoughSpheres.glb and /dev/null differ
diff --git a/Apps/Sandcastle/gallery/Image-Based Lighting.html b/Apps/Sandcastle/gallery/Image-Based Lighting.html
index 4d2ae44301d1..24550eec6d30 100644
--- a/Apps/Sandcastle/gallery/Image-Based Lighting.html	
+++ b/Apps/Sandcastle/gallery/Image-Based Lighting.html	
@@ -40,7 +40,7 @@
 var viewer = new Cesium.Viewer('cesiumContainer');
 
 var environmentMapURL = '../../SampleData/EnvironmentMap/kiara_6_afternoon_2k_ibl.ktx';
-var modelURL = '../../SampleData/models/Spheres/MetalRoughSpheres.glb';
+var modelURL = '../../SampleData/models/Pawns/Pawns.glb';
 
 // This environment map was processed using Google's Filament project. To process your own:
 // 1 - Download the Filament release (https://github.com/google/filament/releases).
@@ -58,7 +58,7 @@
 var L22  = new Cesium.Cartesian3(-0.004953478914091, -0.000479681664876,  0.008508150106928);
 var coefficients = [L00, L1_1, L10, L11, L2_2, L2_1, L20, L21, L22];
 
-var height = 5.0;
+var height = 0.0;
 var hpr = new Cesium.HeadingPitchRoll(0.0, 0.0, 0.0);
 var origin = Cesium.Cartesian3.fromDegrees(-123.0744619, 44.0503706, height);
 var modelMatrix = Cesium.Transforms.headingPitchRollToFixedFrame(origin, hpr);
@@ -107,8 +107,8 @@
 
     subscribeParameter('luminanceAtZenith');
 
-    Sandcastle.addToggleButton('Use procedural image', true, function(checked) {
-        if (checked) {
+    Sandcastle.addToggleButton('Use procedural image', false, function(checked) {
+        if (!checked) {
             model.sphericalHarmonicCoefficients = coefficients;
             model.specularEnvironmentMaps = environmentMapURL;
         } else {