diff --git a/sandbox/node_example/cube_meshlab_ascii.stl b/sandbox/node_example/cube_meshlab_ascii.stl
deleted file mode 100644
index 7c401c7..0000000
--- a/sandbox/node_example/cube_meshlab_ascii.stl
+++ /dev/null
@@ -1,86 +0,0 @@
-solid STL generated by MeshLab
-  facet normal  0.000000e+00 -1.000000e+00  0.000000e+00
-    outer loop
-      vertex   0.000000e+00  0.000000e+00  0.000000e+00
-      vertex   1.000000e+00  0.000000e+00  0.000000e+00
-      vertex   1.000000e+00  0.000000e+00  1.000000e+00
-    endloop
-  endfacet
-  facet normal  0.000000e+00 -1.000000e+00  0.000000e+00
-    outer loop
-      vertex   0.000000e+00  0.000000e+00  0.000000e+00
-      vertex   1.000000e+00  0.000000e+00  1.000000e+00
-      vertex   0.000000e+00  0.000000e+00  1.000000e+00
-    endloop
-  endfacet
-  facet normal  1.000000e+00  0.000000e+00  0.000000e+00
-    outer loop
-      vertex   1.000000e+00  0.000000e+00  0.000000e+00
-      vertex   1.000000e+00  1.000000e+00  0.000000e+00
-      vertex   1.000000e+00  1.000000e+00  1.000000e+00
-    endloop
-  endfacet
-  facet normal  1.000000e+00  0.000000e+00  0.000000e+00
-    outer loop
-      vertex   1.000000e+00  0.000000e+00  0.000000e+00
-      vertex   1.000000e+00  1.000000e+00  1.000000e+00
-      vertex   1.000000e+00  0.000000e+00  1.000000e+00
-    endloop
-  endfacet
-  facet normal  0.000000e+00  1.000000e+00  0.000000e+00
-    outer loop
-      vertex   1.000000e+00  1.000000e+00  0.000000e+00
-      vertex   0.000000e+00  1.000000e+00  0.000000e+00
-      vertex   0.000000e+00  1.000000e+00  1.000000e+00
-    endloop
-  endfacet
-  facet normal  0.000000e+00  1.000000e+00 -0.000000e+00
-    outer loop
-      vertex   1.000000e+00  1.000000e+00  0.000000e+00
-      vertex   0.000000e+00  1.000000e+00  1.000000e+00
-      vertex   1.000000e+00  1.000000e+00  1.000000e+00
-    endloop
-  endfacet
-  facet normal -1.000000e+00  0.000000e+00  0.000000e+00
-    outer loop
-      vertex   0.000000e+00  1.000000e+00  0.000000e+00
-      vertex   0.000000e+00  0.000000e+00  0.000000e+00
-      vertex   0.000000e+00  0.000000e+00  1.000000e+00
-    endloop
-  endfacet
-  facet normal -1.000000e+00  0.000000e+00  0.000000e+00
-    outer loop
-      vertex   0.000000e+00  1.000000e+00  0.000000e+00
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-      vertex   0.000000e+00  1.000000e+00  1.000000e+00
-    endloop
-  endfacet
-  facet normal  0.000000e+00  0.000000e+00 -1.000000e+00
-    outer loop
-      vertex   0.000000e+00  0.000000e+00  0.000000e+00
-      vertex   0.000000e+00  1.000000e+00  0.000000e+00
-      vertex   1.000000e+00  1.000000e+00  0.000000e+00
-    endloop
-  endfacet
-  facet normal  0.000000e+00  0.000000e+00 -1.000000e+00
-    outer loop
-      vertex   0.000000e+00  0.000000e+00  0.000000e+00
-      vertex   1.000000e+00  1.000000e+00  0.000000e+00
-      vertex   1.000000e+00  0.000000e+00  0.000000e+00
-    endloop
-  endfacet
-  facet normal  0.000000e+00  0.000000e+00  1.000000e+00
-    outer loop
-      vertex   0.000000e+00  0.000000e+00  1.000000e+00
-      vertex   1.000000e+00  0.000000e+00  1.000000e+00
-      vertex   1.000000e+00  1.000000e+00  1.000000e+00
-    endloop
-  endfacet
-  facet normal  0.000000e+00  0.000000e+00  1.000000e+00
-    outer loop
-      vertex   0.000000e+00  0.000000e+00  1.000000e+00
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-      vertex   0.000000e+00  1.000000e+00  1.000000e+00
-    endloop
-  endfacet
-endsolid vcg
diff --git a/sandbox/node_example/cube_meshlab_binary.stl b/sandbox/node_example/cube_meshlab_binary.stl
deleted file mode 100644
index 9512df8..0000000
Binary files a/sandbox/node_example/cube_meshlab_binary.stl and /dev/null differ
diff --git a/sandbox/node_example/cube_texture.png b/sandbox/node_example/cube_texture.png
deleted file mode 100644
index 29ce540..0000000
Binary files a/sandbox/node_example/cube_texture.png and /dev/null differ
diff --git a/sandbox/node_example/cube_with_materials.mtl b/sandbox/node_example/cube_with_materials.mtl
deleted file mode 100644
index 706a3f3..0000000
--- a/sandbox/node_example/cube_with_materials.mtl
+++ /dev/null
@@ -1,25 +0,0 @@
-newmtl Red
-Ka 0.000000 0.000000 0.000000
-Kd 0.800000 0.000000 0.000000
-Ks 0.500000 0.500000 0.500000
-
-newmtl Green
-Ka 0.000000 0.000000 0.000000
-Kd 0.000000 0.800000 0.000000
-Ks 0.500000 0.500000 0.500000
-
-newmtl Blue
-Ka 0.000000 0.000000 0.000000
-Kd 0.000000 0.000000 0.800000
-Ks 0.500000 0.500000 0.500000
-
-newmtl White
-Ka 0.000000 0.000000 0.000000
-Kd 0.800000 0.800000 0.800000
-Ks 0.500000 0.500000 0.500000
-
-newmtl Texture
-Ka 0.000000 0.000000 0.000000
-Kd 0.800000 0.800000 0.800000
-Ks 0.500000 0.500000 0.500000
-map_Kd cube_texture.png
diff --git a/sandbox/node_example/cube_with_materials.obj b/sandbox/node_example/cube_with_materials.obj
deleted file mode 100644
index 83558b7..0000000
--- a/sandbox/node_example/cube_with_materials.obj
+++ /dev/null
@@ -1,38 +0,0 @@
-# Cube with Materials
-
-mtllib cube_with_materials.mtl
-
-g Cube
-
-v 0.0 0.0 0.0
-v 1.0 0.0 0.0
-v 1.0 1.0 0.0
-v 0.0 1.0 0.0
-v 0.0 0.0 1.0
-v 1.0 0.0 1.0
-v 1.0 1.0 1.0
-v 0.0 1.0 1.0
-
-vn 1.0 0.0 0.0
-vn -1.0 0.0 0.0
-vn 0.0 1.0 0.0
-vn 0.0 -1.0 0.0
-vn 0.0 0.0 1.0
-vn 0.0 0.0 -1.0
-
-vt 0.0 0.0
-vt 1.0 0.0
-vt 1.0 1.0
-vt 0.0 1.0
-
-usemtl Red
-f 1/1/4 2/2/4 6/3/4 5/4/4
-usemtl Green
-f 2/1/1 3/2/1 7/3/1 6/4/1
-usemtl Blue
-f 3/1/3 4/2/3 8/3/3 7/4/3
-usemtl Texture
-f 4/1/2 1/2/2 5/3/2 8/4/2
-usemtl White
-f 1/1/6 4/2/6 3/3/6 2/4/6
-f 5/1/5 6/2/5 7/3/5 8/4/5
diff --git a/sandbox/node_example/example.js b/sandbox/node_example/example.js
deleted file mode 100644
index 2235077..0000000
--- a/sandbox/node_example/example.js
+++ /dev/null
@@ -1,67 +0,0 @@
-var fs = require ('fs');
-
-require ('../../build/final/website/o3dv/o3dv.min.js');
-
-let importer = new OV.Importer ();
-
-let FileObject = function (name)
-{
-    this.name = name;
-};
-
-let files = [
-    new FileObject ('cube_meshlab_ascii.stl')
-];
-
-global.FileReader = class
-{
-    static DONE = 2;
-
-    readAsText (fileObject)
-    {
-        let content = fs.readFileSync (fileObject.name).toString ();
-        if (content !== null) {
-            this.onloadend ({
-                target : {
-                    readyState : FileReader.DONE,
-                    result : content
-                }
-            });
-        } else {
-            this.onerror ();
-        }
-    }
-
-    readAsArrayBuffer (fileObject)
-    {
-        let content = fs.readFileSync (fileObject.name);
-        if (content !== null) {
-            var arrayBuffer = new ArrayBuffer (content.length);
-            var uint8Array = new Uint8Array (arrayBuffer);
-            for (let i = 0; i < content.length; ++i) {
-                uint8Array[i] = content[i];
-            }
-            this.onloadend ({
-                target : {
-                    readyState : FileReader.DONE,
-                    result : arrayBuffer
-                }
-            });
-        } else {
-            this.onerror ();
-        }
-    }
-};
-
-let settings = new OV.ImportSettings ();
-importer.ImportFiles (files, OV.FileSource.File, settings, {
-    onFilesLoaded : function () {
-
-    },
-    onImportSuccess : function (importResult) {
-        console.log (importResult);
-    },
-    onImportError : function (importError) {
-        console.log (importError);
-    }
-});
diff --git a/sandbox/three_envmap_issue/envmap/negx.jpg b/sandbox/three_envmap_issue/envmap/negx.jpg
deleted file mode 100644
index 6f5903a..0000000
Binary files a/sandbox/three_envmap_issue/envmap/negx.jpg and /dev/null differ
diff --git a/sandbox/three_envmap_issue/envmap/negy.jpg b/sandbox/three_envmap_issue/envmap/negy.jpg
deleted file mode 100644
index 9d9b8f6..0000000
Binary files a/sandbox/three_envmap_issue/envmap/negy.jpg and /dev/null differ
diff --git a/sandbox/three_envmap_issue/envmap/negz.jpg b/sandbox/three_envmap_issue/envmap/negz.jpg
deleted file mode 100644
index 2eaa923..0000000
Binary files a/sandbox/three_envmap_issue/envmap/negz.jpg and /dev/null differ
diff --git a/sandbox/three_envmap_issue/envmap/posx.jpg b/sandbox/three_envmap_issue/envmap/posx.jpg
deleted file mode 100644
index 672c71a..0000000
Binary files a/sandbox/three_envmap_issue/envmap/posx.jpg and /dev/null differ
diff --git a/sandbox/three_envmap_issue/envmap/posy.jpg b/sandbox/three_envmap_issue/envmap/posy.jpg
deleted file mode 100644
index af1294e..0000000
Binary files a/sandbox/three_envmap_issue/envmap/posy.jpg and /dev/null differ
diff --git a/sandbox/three_envmap_issue/envmap/posz.jpg b/sandbox/three_envmap_issue/envmap/posz.jpg
deleted file mode 100644
index bbde102..0000000
Binary files a/sandbox/three_envmap_issue/envmap/posz.jpg and /dev/null differ
diff --git a/sandbox/three_envmap_issue/envmap/readme.txt b/sandbox/three_envmap_issue/envmap/readme.txt
deleted file mode 100644
index 8b404c2..0000000
--- a/sandbox/three_envmap_issue/envmap/readme.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-Author
-======
-
-This is the work of Emil Persson, aka Humus.
-http://www.humus.name
-
-
-
-License
-=======
-
-This work is licensed under a Creative Commons Attribution 3.0 Unported License.
-http://creativecommons.org/licenses/by/3.0/
diff --git a/sandbox/three_envmap_issue/envmap_issue.html b/sandbox/three_envmap_issue/envmap_issue.html
deleted file mode 100644
index db21bc2..0000000
--- a/sandbox/three_envmap_issue/envmap_issue.html
+++ /dev/null
@@ -1,39 +0,0 @@
-<!DOCTYPE html>
-<html>
-
-<head>
-	<meta http-equiv="content-type" content="text/html;charset=utf-8">
-	<meta name="viewport" content="width=device-width, user-scalable=no">
-
-	<title>Example</title>
-
-	<style>
-		html, body
-		{
-			font-family: Arial, Helvetica, sans-serif;
-		}
-
-		iframe
-		{
-			border: 1px solid #cccccc;
-		}
-	</style>
-
-	<script type='text/javascript'>
-
-	</script>
-</head>
-
-<body>
-	<div>r130:</div>
-	<div>
-		<iframe width="400" height="300" src="three_viewer.html#https://cdn.jsdelivr.net/npm/three@0.130.0/build/three.min.js"></iframe>
-	</div>
-
-	<div>r131:</div>
-	<div>
-		<iframe width="400" height="300" src="three_viewer.html#https://cdn.jsdelivr.net/npm/three@0.132.0/build/three.min.js"></iframe>
-	</div>
-</body>
-
-</html>
diff --git a/sandbox/three_envmap_issue/three_viewer.html b/sandbox/three_envmap_issue/three_viewer.html
deleted file mode 100644
index 9342d0d..0000000
--- a/sandbox/three_envmap_issue/three_viewer.html
+++ /dev/null
@@ -1,128 +0,0 @@
-<!DOCTYPE html>
-<html>
-
-<head>
-	<meta http-equiv="content-type" content="text/html;charset=utf-8">
-	<meta name="viewport" content="width=device-width, user-scalable=no">
-
-	<title>Example</title>
-
-	<style>
-		html, body
-		{
-			width: 100%;
-			height: 100%;
-			margin: 0px;
-			padding: 0px;
-		}
-
-		canvas
-		{
-			width: 100%;
-			height: 100%;
-		}
-	</style>
-
-	<script type='text/javascript'>
-		function Sandbox3D ()
-		{
-			let canvas = document.getElementById ('canvas');
-
-			let parameters = {
-				canvas : canvas,
-				antialias : true
-			};
-
-			let renderer = new THREE.WebGLRenderer (parameters);
-			renderer.setClearColor ('#ffffff', 1);
-
-			let width = document.body.clientWidth;
-			let height = document.body.clientHeight;
-			renderer.setSize (width, height);
-
-			let scene = new THREE.Scene ();
-
-			let camera = new THREE.PerspectiveCamera (45.0, width / height, 0.1, 1000.0);
-			camera.position.set (0.0, 6.0, 2.0);
-			camera.up.set (0.0, 0.0, 1.0);
-			camera.lookAt (new THREE.Vector3 (0.0, 0.0, 0.0));
-			scene.add (camera);
-
-			let ambientLight = new THREE.AmbientLight (0x888888);
-			scene.add (ambientLight);
-
-			let light = new THREE.DirectionalLight (0x888888);
-			light.position.copy (camera.position);
-			scene.add (light);
-
-			let rgb = [0, 197, 237];
-			let baseColor = new THREE.Color (rgb[0] / 255.0, rgb[1] / 255.0, rgb[2] / 255.0);
-
-			let phongGeometry = new THREE.SphereGeometry (1.0, 32, 16);
-			let phongMaterial = new THREE.MeshPhongMaterial ({
-				color : baseColor
-			});
-
-			let standardGeometry = new THREE.SphereGeometry (1.0, 32, 16);
-			let standardMaterial = new THREE.MeshStandardMaterial ({
-				color : baseColor,
-				metalness : 0.0,
-				roughness : 0.0
-			});
-
-			let emissiveRgb = [0, 0, 0];
-			let emissiveColor = new THREE.Color (emissiveRgb[0] / 255.0, emissiveRgb[1] / 255.0, emissiveRgb[2] / 255.0);
-			phongMaterial.emissive = emissiveColor;
-			standardMaterial.emissive = emissiveColor;
-
-			let phongMesh = new THREE.Mesh (phongGeometry, phongMaterial);
-			phongMesh.position.set (1.5, 0.0, 0.0);
-
-			let standardMesh = new THREE.Mesh (standardGeometry, standardMaterial);
-			standardMesh.position.set (-1.5, 0.0, 0.0);
-
-			scene.add (phongMesh);
-			scene.add (standardMesh);
-			renderer.render (scene, camera);
-
-			let envMaps = [
-				'envmap/posx.jpg',
-				'envmap/negx.jpg',
-				'envmap/posy.jpg',
-				'envmap/negy.jpg',
-				'envmap/posz.jpg',
-				'envmap/negz.jpg'
-			];
-
-			let loader = new THREE.CubeTextureLoader ();
-			scene.environment = loader.load (envMaps, () => {
-				renderer.render (scene, camera);
-			});
-
-			window.onresize = function () {
-				let width = document.body.clientWidth;
-				let height = document.body.clientHeight;
-				camera.aspect = width / height;
-		        camera.updateProjectionMatrix ();
-				renderer.setSize (width, height);
-				renderer.render (scene, camera);
-			};
-		}
-
-		window.onload = function () {
-			let scriptElement = document.createElement ('script');
-			scriptElement.type = 'text/javascript';
-			scriptElement.src = window.location.hash.substring (1);
-			scriptElement.onload = () => {
-				Sandbox3D ();
-			};
-			document.head.appendChild (scriptElement);
-		};
-	</script>
-</head>
-
-<body>
-	<canvas id="canvas"></canvas>
-</body>
-
-</html>