diff --git a/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/index.html b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/index.html
index 84da2e0..396290b 100644
--- a/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/index.html
+++ b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/index.html
@@ -21,8 +21,7 @@
     let options ={
       _dimX : X,
       _dimY: Y,
-      //_fileName: "ProjectSlice.3dm",
-      _fileName: "TestFiera.3dm",
+      _fileName: "ProjectSlice.3dm",
       _showGrid: true,
       _showInfiniteGrid: false,
       _isOrtographic: true,
diff --git a/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/draw/webgl_drawVue.js b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/draw/webgl_drawVue.js
index 94677ee..9b0f165 100644
--- a/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/draw/webgl_drawVue.js
+++ b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/draw/webgl_drawVue.js
@@ -398,7 +398,6 @@ function init3dm(){
                     }
                    // READING ARROW'S MESH
                     else if ( child.type == 'Mesh') {
-                    
                         try {
                             var nLayer = parseInt( child.userData.attributes.layerIndex) - nStartLayer ;
                             if ( nLayer < 0)
@@ -409,9 +408,9 @@ function init3dm(){
                             child.material.color = new THREE.Color( child.userData.attributes.objectColor.r/255.0,
                                                                     child.userData.attributes.objectColor.g/255.0,
                                                                     child.userData.attributes.objectColor.b/255.0) ;
+                            child.material.flatShading = true; 
+                            child.material.needsUpdate = true;
                             layer_list.push( child) ;
-                            //console.log( child) ;
-                            
                         } catch( e) {
                             console.log( 'Not a valid Arrow direction') ;
                             return false ;
@@ -478,25 +477,33 @@ function AdaptSeceneToContest() {
     scene.background = new THREE.Color( 0xa0a0a0) ;
     
     // Global Box ----------
-    if(fileType == "3DM"){
-
+    if (fileType == "3DM") {
         for ( var i = 0 ; i < layer_list.length ; ++ i) {
             const Objbox = new THREE.Box3().setFromObject( layer_list[i]);
             GLBox3D.union( Objbox) ;
             layer_list[i].material.side = THREE.DoubleSide ;
             layer_list[i].castShadow = true
-            if ( ! layer_list[i].isArrow  ||  m_bShowPrintDir)
+            if ( ! layer_list[i].isArrow  ||  m_bShowPrintDir) {
+                if ( typeof layer_list[i].nLayer !== "undefined") {
+                    if ( parseInt( layer_list[i].nLayer) % 2 == 0) {
+                        const mat = layer_list[i].material.clone() ;
+                        mat.color.lerp( new THREE.Color( 0x000000), 0.25) ;
+                        layer_list[i].material = mat ; 
+                    }
+                } 
+                layer_list[i].isArrow = ( layer_list[i].name == 'Arrow')
                 scene.add( layer_list[i]) ;
+            }
         }
     }
-    else if(fileType == "3MF"){
+    else if ( fileType == "3MF"){
         for ( var i = 0 ; i < layer_list.length ; ++ i) {
             if ( layer_list[i].children[0].type == 'Mesh') {
                 const Objbox = new THREE.Box3().setFromObject( layer_list[i]);
                 GLBox3D.union( Objbox) ;
                 layer_list[i].children[0].material.side = THREE.DoubleSide ;
                 if ( typeof layer_list[i].children[0].nLayer !== "undefined") {
-                    if ( parseInt( layer_list[i].children[0].nLayer)%2 == 0)
+                    if ( parseInt( layer_list[i].children[0].nLayer) % 2 == 0)
                         layer_list[i].children[0].material.color.lerp( new THREE.Color( 0x000000 ), 0.25) ;
                     layer_list[i].children[0].isArrow = ( layer_list[i].children[0].name == 'Arrow')
                     scene.add( layer_list[i]) ;
@@ -527,9 +534,9 @@ function AdaptSeceneToContest() {
     scene.add( activeCamera) ;
     
     // Hemisphere light --------
-    const hemiLight = new THREE.HemisphereLight( 0xffffff, 0x8d8d8d );
-    hemiLight.position.set( vtCenter.x, vtCenter.y + 2 * vtBoxDim.y, vtCenter.z);
-    scene.add( hemiLight );
+    const hemiLight = new THREE.HemisphereLight( 0xffffff, 0x444444, 1.8) ;
+    hemiLight.position.set( vtCenter.x, vtCenter.y + 2 * vtBoxDim.y, vtCenter.z) ;
+    scene.add( hemiLight) ;
             
     // direction light --------
     const dirLight = new THREE.DirectionalLight( 0xffffff );
@@ -542,7 +549,7 @@ function AdaptSeceneToContest() {
     dirLight.shadow.camera.near = 0.1;
     dirLight.shadow.camera.far = 200;
     dirLight.shadow.mapSize.set( 1024, 1024 );
-    scene.add( dirLight );
+    scene.add( dirLight) ;
             
     // render settings ---------
     renderer = new THREE.WebGLRenderer( { antialias: true });
diff --git a/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice.3dm b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice.3dm
index ef4979d..af85838 100644
Binary files a/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice.3dm and b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice.3dm differ
diff --git a/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice1.3dm b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice1.3dm
new file mode 100644
index 0000000..af85838
Binary files /dev/null and b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice1.3dm differ
diff --git a/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice2.3dm b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice2.3dm
new file mode 100644
index 0000000..89f4ce6
Binary files /dev/null and b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice2.3dm differ
diff --git a/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice3.3dm b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice3.3dm
new file mode 100644
index 0000000..5a61554
Binary files /dev/null and b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice3.3dm differ
diff --git a/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice4.3dm b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice4.3dm
new file mode 100644
index 0000000..63ac9d7
Binary files /dev/null and b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice4.3dm differ
diff --git a/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice5.3dm b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice5.3dm
new file mode 100644
index 0000000..b1fa355
Binary files /dev/null and b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/ProjectSlice5.3dm differ
diff --git a/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/TestFiera2.3dm b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/TestFiera2.3dm
new file mode 100644
index 0000000..e685a29
Binary files /dev/null and b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/TestFiera2.3dm differ
diff --git a/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/TestFiera3.3dm b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/TestFiera3.3dm
new file mode 100644
index 0000000..de10b6a
Binary files /dev/null and b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/TestFiera3.3dm differ
diff --git a/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/TestFiera4.3dm b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/TestFiera4.3dm
new file mode 100644
index 0000000..2b35523
Binary files /dev/null and b/IcarusView/3MF_test/Web3D-Vue/Web3D_viewer_live/src/source/models/TestFiera4.3dm differ