diff --git a/IcarusView/3MF_test/Web3D.pack/Program.cs b/IcarusView/3MF_test/Web3D.pack/Program.cs
index 2c86ce9..faef9e3 100644
--- a/IcarusView/3MF_test/Web3D.pack/Program.cs
+++ b/IcarusView/3MF_test/Web3D.pack/Program.cs
@@ -1,10 +1,15 @@
 using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Components.Web;
 using Microsoft.AspNetCore.StaticFiles;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.FileProviders;
 using Web3D.pack.Data;
 
 var builder = WebApplication.CreateBuilder(args);
 
+// configuration setup
+Microsoft.Extensions.Configuration.ConfigurationManager configuration = builder.Configuration;
+
 // Add services to the container.
 builder.Services.AddRazorPages();
 builder.Services.AddServerSideBlazor();
@@ -24,6 +29,7 @@ if (!app.Environment.IsDevelopment())
 var provider = new Microsoft.AspNetCore.StaticFiles.FileExtensionContentTypeProvider();
 // NOTE: Add new mappings
 provider.Mappings[".3mf"] = "model"; // NOTE: add the extension (with period) and its type
+provider.Mappings[".3dm"] = "model"; // NOTE: add the extension (with period) and its type
 
 
 
@@ -36,6 +42,39 @@ app.UseStaticFiles(new StaticFileOptions // NOTE: replace the line app.UseStatic
     ContentTypeProvider = provider
 });
 
+// gestione static files x modelli 3D: https://learn.microsoft.com/en-us/aspnet/core/fundamentals/static-files?view=aspnetcore-8.0
+string path3mf = configuration.GetValue<string>("ServerConf:path3mf") ?? configuration.GetValue<string>("OptConf:path3mf") ?? "";
+if (!string.IsNullOrEmpty(path3mf))
+{
+    // verifico esista folder disegni
+    if (Directory.Exists(path3mf))
+    {
+        // gestione cartella x PDF
+        app.UseStaticFiles(new StaticFileOptions
+        {
+            FileProvider = new PhysicalFileProvider(path3mf),
+            RequestPath = "/3mf",
+            ContentTypeProvider = provider
+        });
+    }
+}
+string path3dm = configuration.GetValue<string>("ServerConf:path3dm") ?? configuration.GetValue<string>("OptConf:path3dm") ?? "";
+if (!string.IsNullOrEmpty(path3dm))
+{
+    // verifico esista folder disegni
+    if (Directory.Exists(path3dm))
+    {
+        // gestione cartella x PDF
+        app.UseStaticFiles(new StaticFileOptions
+        {
+            FileProvider = new PhysicalFileProvider(path3dm),
+            RequestPath = "/3dm",
+            ContentTypeProvider = provider
+        });
+    }
+}
+
+
 app.UseHttpsRedirection();
 
 app.UseStaticFiles();
diff --git a/IcarusView/3MF_test/Web3D.pack/Web3D.pack.csproj b/IcarusView/3MF_test/Web3D.pack/Web3D.pack.csproj
index 3198540..5d95dcd 100644
--- a/IcarusView/3MF_test/Web3D.pack/Web3D.pack.csproj
+++ b/IcarusView/3MF_test/Web3D.pack/Web3D.pack.csproj
@@ -8,10 +8,11 @@
 
 	<ItemGroup>
 	  <Content Include="wwwroot\lib\node_modules\.package-lock.json" />
+	  <Content Include="wwwroot\lib\node_modules\webgl-visualizer\models\.placeholder" />
+	  <Content Include="wwwroot\lib\node_modules\webgl-visualizer\models\3mf\Cubo.3mf" />
 	  <Content Include="wwwroot\lib\node_modules\webgl-visualizer\package.json" />
 	  <Content Include="wwwroot\lib\node_modules\webgl-visualizer\styles\bottom.png" />
 	  <Content Include="wwwroot\lib\node_modules\webgl-visualizer\styles\left.png" />
-	  <Content Include="wwwroot\lib\node_modules\webgl-visualizer\styles\LogoClassic_NoText.png" />
 	  <Content Include="wwwroot\lib\node_modules\webgl-visualizer\styles\right.png" />
 	  <Content Include="wwwroot\lib\node_modules\webgl-visualizer\styles\SuperTopLogo.png" />
 	  <Content Include="wwwroot\lib\node_modules\webgl-visualizer\styles\top.png" />
diff --git a/IcarusView/3MF_test/Web3D.pack/appsettings.json b/IcarusView/3MF_test/Web3D.pack/appsettings.json
index 10f68b8..e2f2681 100644
--- a/IcarusView/3MF_test/Web3D.pack/appsettings.json
+++ b/IcarusView/3MF_test/Web3D.pack/appsettings.json
@@ -5,5 +5,9 @@
       "Microsoft.AspNetCore": "Warning"
     }
   },
-  "AllowedHosts": "*"
+  "AllowedHosts": "*",
+  "ServerConf": {
+    "path3mf": "\\\\iis01\\Test3D\\3mf",
+    "path3dm": "\\\\iis01\\Test3D\\3dm"
+  }
 }
diff --git a/IcarusView/3MF_test/Web3D.pack/libman.json b/IcarusView/3MF_test/Web3D.pack/libman.json
index 267e841..a082988 100644
--- a/IcarusView/3MF_test/Web3D.pack/libman.json
+++ b/IcarusView/3MF_test/Web3D.pack/libman.json
@@ -1,17 +1,17 @@
 {
   "version": "1.0",
   "defaultProvider": "filesystem",
-  "libraries": [
-    {
-      "library": "C:\\Users\\zaccaria.majid\\Downloads\\package",
-      "destination": "wwwroot/lib/package/"
-    },
-    {
-      "library": "C:\\Users\\zaccaria.majid\\Downloads\\",
-      "destination": "wwwroot/lib/Downloads/",
-      "files": [
-        "webgl-visualizer-1.1.230926-beta.842.tgz"
-      ]
-    }
-  ]
+  //"libraries": [
+  //  {
+  //    "library": "C:\\Users\\zaccaria.majid\\Downloads\\package",
+  //    "destination": "wwwroot/lib/package/"
+  //  },
+  //  {
+  //    "library": "C:\\Users\\zaccaria.majid\\Downloads\\",
+  //    "destination": "wwwroot/lib/Downloads/",
+  //    "files": [
+  //      "webgl-visualizer-1.1.230926-beta.842.tgz"
+  //    ]
+  //  }
+  //]
 }
\ No newline at end of file
diff --git a/IcarusView/3MF_test/Web3D.pack/wwwroot/lib/node_modules/webgl-visualizer/styles/LogoClassic_NoText.png b/IcarusView/3MF_test/Web3D.pack/wwwroot/images/LogoClassic_NoText.png
similarity index 100%
rename from IcarusView/3MF_test/Web3D.pack/wwwroot/lib/node_modules/webgl-visualizer/styles/LogoClassic_NoText.png
rename to IcarusView/3MF_test/Web3D.pack/wwwroot/images/LogoClassic_NoText.png
diff --git a/IcarusView/3MF_test/Web3D.pack/wwwroot/lib/node_modules/webgl-visualizer/draw/webgl_draw.js b/IcarusView/3MF_test/Web3D.pack/wwwroot/lib/node_modules/webgl-visualizer/draw/webgl_draw.js
index 8100234..4ad078e 100644
--- a/IcarusView/3MF_test/Web3D.pack/wwwroot/lib/node_modules/webgl-visualizer/draw/webgl_draw.js
+++ b/IcarusView/3MF_test/Web3D.pack/wwwroot/lib/node_modules/webgl-visualizer/draw/webgl_draw.js
@@ -316,45 +316,45 @@ function AdaptSeceneToContest() {
     window.addEventListener('resize', onWindowResize);
 
 // calcolo origine
-			    const points_array = [ new THREE.Vector3( 0, 0, 0)] ;
-				var ORIG_Geometry = new THREE.BufferGeometry() ;
-				ORIG_Geometry.setFromPoints( points_array) ;
-			    var ORIG_Material = new THREE.PointsMaterial({ size: 5, sizeAttenuation : true, color : new THREE.Color( 0x000000)});
-				ORIG = new THREE.Points( ORIG_Geometry, ORIG_Material) ;
-				SetOrig( ORIG) ;
-				
-			   // creazione sistema di riferimento nell'origine
-			    const axesHelper = new THREE.AxesHelper( 75 ) ;
-				axesHelper.rotation.set( -Math.PI/2, 0 ,0) ;
-				axesHelper.position.set( ORIG.position.x, ORIG.position.y, ORIG.position.z) ;
-				scene.add( axesHelper );
-				
-			   // creazione della griglia (V1 = finita, V2 = infinita)
-				const size = 1000000 ;
-				const divisions = 10000 ;
-				if ( ! m_bGrid_v1) {
-				   // GRIGLIA INFINITA
-					const gridHelper = new THREE.GridHelper( size, divisions) ;
-					gridHelper.position.set( ORIG.position.x, ORIG.position.y, ORIG.position.z) ;
-					gridHelper.material.transparent = true ;
-					gridHelper.material.opacity = 0.25 ;
-					setFog() ;
-					scene.add( gridHelper) ;
-				}
-				else {
-				   // GRIGLIA FINITA
-				   // prendo dimensione del Box
-				   var dDimX = Math.abs( GLBox3D.max.x - GLBox3D.min.x) ;
-				   var dDimY = Math.abs( GLBox3D.max.y - GLBox3D.min.y) ;
-				   var dDimZ = Math.abs( GLBox3D.max.z - GLBox3D.min.z) ;
-				   var dDim = 1.5 * Math.sqrt( dDimX * dDimX + dDimY * dDimY + dDimZ * dDimZ) ;
-				   const gridHelper = new THREE.GridHelper( dDim, Math.ceil( 0.1 * dDim)) ;
-				   gridHelper.position.set( ORIG.position.x + 0.5 * dDim , ORIG.position.y, ORIG.position.z - 0.5 * dDim) ;
-				   gridHelper.material.transparent = true ;
-				   gridHelper.material.opacity = 0.45 ;
-				   scene.add( gridHelper) ;
-					
-				}
+                const points_array = [ new THREE.Vector3( 0, 0, 0)] ;
+                var ORIG_Geometry = new THREE.BufferGeometry() ;
+                ORIG_Geometry.setFromPoints( points_array) ;
+                var ORIG_Material = new THREE.PointsMaterial({ size: 5, sizeAttenuation : true, color : new THREE.Color( 0x000000)});
+                ORIG = new THREE.Points( ORIG_Geometry, ORIG_Material) ;
+                SetOrig( ORIG) ;
+                
+               // creazione sistema di riferimento nell'origine
+                const axesHelper = new THREE.AxesHelper( 75 ) ;
+                axesHelper.rotation.set( -Math.PI/2, 0 ,0) ;
+                axesHelper.position.set( ORIG.position.x, ORIG.position.y, ORIG.position.z) ;
+                scene.add( axesHelper );
+                
+               // creazione della griglia (V1 = finita, V2 = infinita)
+                const size = 1000000 ;
+                const divisions = 10000 ;
+                if ( ! m_bGrid_v1) {
+                   // GRIGLIA INFINITA
+                    const gridHelper = new THREE.GridHelper( size, divisions) ;
+                    gridHelper.position.set( ORIG.position.x, ORIG.position.y, ORIG.position.z) ;
+                    gridHelper.material.transparent = true ;
+                    gridHelper.material.opacity = 0.25 ;
+                    setFog() ;
+                    scene.add( gridHelper) ;
+                }
+                else {
+                   // GRIGLIA FINITA
+                   // prendo dimensione del Box
+                   var dDimX = Math.abs( GLBox3D.max.x - GLBox3D.min.x) ;
+                   var dDimY = Math.abs( GLBox3D.max.y - GLBox3D.min.y) ;
+                   var dDimZ = Math.abs( GLBox3D.max.z - GLBox3D.min.z) ;
+                   var dDim = 1.5 * Math.sqrt( dDimX * dDimX + dDimY * dDimY + dDimZ * dDimZ) ;
+                   const gridHelper = new THREE.GridHelper( dDim, Math.ceil( 0.1 * dDim)) ;
+                   gridHelper.position.set( ORIG.position.x + 0.5 * dDim , ORIG.position.y, ORIG.position.z - 0.5 * dDim) ;
+                   gridHelper.material.transparent = true ;
+                   gridHelper.material.opacity = 0.45 ;
+                   scene.add( gridHelper) ;
+                    
+                }
 
     render();
 
diff --git a/IcarusView/3MF_test/Web3D.pack/wwwroot/lib/node_modules/webgl-visualizer/draw/webgl_drawCS.js b/IcarusView/3MF_test/Web3D.pack/wwwroot/lib/node_modules/webgl-visualizer/draw/webgl_drawCS.js
index 01296b3..0ab08c3 100644
--- a/IcarusView/3MF_test/Web3D.pack/wwwroot/lib/node_modules/webgl-visualizer/draw/webgl_drawCS.js
+++ b/IcarusView/3MF_test/Web3D.pack/wwwroot/lib/node_modules/webgl-visualizer/draw/webgl_drawCS.js
@@ -127,7 +127,7 @@ function setLoaders() {
             cDiv[i].style.border = '#afc5d6';
             cDiv[i].style.backgroundSize = 'contain';
 
-            cDiv[i].style.backgroundImage = 'url(~/styles/LogoClassic_NoText.png)'
+            cDiv[i].style.backgroundImage = 'url(images/LogoClassic_NoText.png)'
         }
     }
 
@@ -151,7 +151,7 @@ function init() {
     let startTime = performance.now();
     return new Promise(() => {
         setTimeout(() => {
-            loader.load('~/models/3mf/' + fName, function (object) {
+            loader.load('3mf/' + fName, function (object) {
                 object.rotation.set(-Math.PI / 2, 0, 0);
                 object.traverse(function (child) {
                     child.castShadow = true;