diff --git a/public/HFT.html b/public/HFT.html
index bb02ad58d41f5d61c930a33df5dd376a4cd1b08a..ae3427ed3c6ec8b0ec86fb773d6e6f037cbb8813 100644
--- a/public/HFT.html
+++ b/public/HFT.html
@@ -84,6 +84,15 @@
           </label>
         </td>
         </tr>
+      </tr>
+      <tr>
+        <td style=" padding-bottom: 10px;"><strong>Pretty Buildings </strong> </td>
+        <td style=" padding-bottom: 10px; padding-left: 15px;"><label class="switch">
+          <input type="checkbox" onclick="togglePrettyBuildingTiles()" checked>
+          <span class="slider round"></span>
+        </label>
+      </td>
+      </tr>
       </tbody>
       </table>     
 </div>
diff --git a/public/HFT.js b/public/HFT.js
index cf65e57be1833afb0e8bbb6e80c33c205cb016b8..2ac13d9ca1a1649b5c0be4f0b28f08f5303a439a 100644
--- a/public/HFT.js
+++ b/public/HFT.js
@@ -22,11 +22,15 @@ var extent = Cesium.Rectangle.fromDegrees(9.162794728779428, 48.78605872069245,
 Cesium.Camera.DEFAULT_VIEW_RECTANGLE = extent;
 Cesium.Camera.DEFAULT_VIEW_FACTOR = 0;
 
-
-
-
 viewer.scene.globe.enableLighting = true; // set lighting to true
 
+// load 3d Tile set of HFT from Cesium ION.
+var tileset = viewer.scene.primitives.add(
+	new Cesium.Cesium3DTileset({
+		url: Cesium.IonResource.fromAssetId(656401),
+	})
+);
+
 // define a function to zoom to the tileset (invoke later)
 var zoomAll = function (tileset) {
 	return new Promise(function (resolve, reject) {
@@ -42,23 +46,16 @@ var zoomAll = function (tileset) {
 	});
 };
 
-//////////////////////////// load 3d building tiles or OSM 3d Buildings ///////////////////////
-// here is the switch to switch between different 3d buildings 
 
 
-	// load 3d Tile set of SToeckach.
-	// var tileset = viewer.scene.primitives.add(
-	// 	new Cesium.Cesium3DTileset({
-	// 		url: "https://steinbeis-3dps.eu/3DGeoVolumes/collections/Stuttgart/HFTBuildings_3DModel_noTexture/3dtiles/tileset.json"//Cesium.IonResource.fromAssetId(656401),
-	// 	})
-	// );
+	
 
 	var load3DTiles = function () {
 		tilesetLOD1 = viewer.scene.primitives.add(new Cesium.Cesium3DTileset({
 			url: "https://steinbeis-3dps.eu/3DGeoVolumes/collections/Stuttgart/HFTBuildings_3DModel_noTexture/3dtiles/tileset.json" //Cesium.IonResource.fromAssetId(656401),
 		}));
 	
-		// 
+		
 	
 		Cesium.when(tilesetLOD1.readyPromise).then(function (tilesetLOD1) {
 			viewer.flyTo(tilesetLOD1)
@@ -93,7 +90,6 @@ var zoomAll = function (tileset) {
 
 	//////// important value. to find the correct value trail and error is needed for a perfect fit
 	const BUILDIG_TILESET_HEIGHT_OFFSET = 54;
-	var tileset = tilesetLOD1
 	
 	tileset.readyPromise.then(function (tileset) {
 		var height = BUILDIG_TILESET_HEIGHT_OFFSET;
@@ -118,7 +114,7 @@ var zoomAll = function (tileset) {
 		// now shift / translate the tileset by the translation vector defined above
 		tileset.modelMatrix = Cesium.Matrix4.fromTranslation(translation);
 
-		//return zoomAll(tileset); // zoom or rather go to the translated tileset
+		return zoomAll(tileset); // zoom or rather go to the translated tileset
 	});
 
 
@@ -206,5 +202,9 @@ var toggleBuildingTiles = function () {
 	tileset.show = tileset.show ? false : true;
 }
 
+var togglePrettyBuildingTiles = function () {
+	tilesetLOD1.show = tilesetLOD1.show ? false : true;
+}
+