diff --git a/Polyhedron/demo/Polyhedron/MainWindow.cpp b/Polyhedron/demo/Polyhedron/MainWindow.cpp
index 693b00f40e3..bd87e92fbcf 100644
--- a/Polyhedron/demo/Polyhedron/MainWindow.cpp
+++ b/Polyhedron/demo/Polyhedron/MainWindow.cpp
@@ -342,41 +342,6 @@ MainWindow::MainWindow(const QStringList &keywords, bool verbose, QWidget* paren
           this, &MainWindow::filterOperations);
   loadPlugins();
 
-  //If 3mf plugin is present, add action to save scene
-  Polyhedron_demo_io_plugin_interface* io_3mf_plugin = nullptr;
-  for(Polyhedron_demo_io_plugin_interface* plugin : io_plugins)
-  {
-    if(plugin->name() == "3mf_io_plugin")
-    {
-      io_3mf_plugin = plugin;
-      break;
-    }
-  }
-  if(io_3mf_plugin )
-  {
-    QAction* actionSaveSceneTo3mf = new QAction("Save the Scene as a 3mf File...");
-    QString dir = QString("%1/scene").arg(def_save_dir);
-    connect(actionSaveSceneTo3mf, &QAction::triggered, this,
-            [this, dir, io_3mf_plugin](){
-
-      QString filename =
-          QFileDialog::getSaveFileName(this,
-                                       tr("Save Scene to File..."),
-                                       dir,
-                                       "*.3mf");
-
-      if(filename.isEmpty())
-        return;
-      if(!filename.endsWith(".3mf"))
-      filename.append(".3mf");
-      QList<Scene_item*> all_items;
-      for(int i = 0; i< scene->numberOfEntries(); ++i)
-        all_items.push_back(scene->item(i));
-            io_3mf_plugin->save(filename, all_items);
-    });
-    ui->menuFile->insertAction(ui->actionSa_ve_Scene_as_Script, actionSaveSceneTo3mf);
-  }
-
   // Setup the submenu of the View menu that can toggle the dockwidgets
   Q_FOREACH(QDockWidget* widget, findChildren<QDockWidget*>()) {
     ui->menuDockWindows->addAction(widget->toggleViewAction());
@@ -824,6 +789,7 @@ bool MainWindow::initIOPlugin(QObject* obj)
   CGAL::Three::Polyhedron_demo_io_plugin_interface* plugin =
       qobject_cast<CGAL::Three::Polyhedron_demo_io_plugin_interface*>(obj);
   if(plugin) {
+    plugin->init();
     io_plugins << plugin;
     return true;
   }
diff --git a/Polyhedron/demo/Polyhedron/Plugins/Camera_position/Camera_positions_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/Camera_position/Camera_positions_plugin.cpp
index 25fd3cdc230..6cb07bd250e 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/Camera_position/Camera_positions_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/Camera_position/Camera_positions_plugin.cpp
@@ -16,7 +16,7 @@ class Polyhedron_demo_camera_positions_plugin :
   Q_OBJECT
   Q_INTERFACES(CGAL::Three::Polyhedron_demo_plugin_interface CGAL::Three::Polyhedron_demo_io_plugin_interface)
   Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.PluginInterface/1.0")
-  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.0")
+  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.90")
 
 public:
   void init(QMainWindow* mainWindow, Scene_interface* scene_interface, Messages_interface* );
diff --git a/Polyhedron/demo/Polyhedron/Plugins/IO/3mf_io_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/IO/3mf_io_plugin.cpp
index 879328347ce..6acf62d8768 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/IO/3mf_io_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/IO/3mf_io_plugin.cpp
@@ -25,7 +25,7 @@ class Io_3mf_plugin:
 {
   Q_OBJECT
   Q_INTERFACES(CGAL::Three::Polyhedron_demo_io_plugin_interface)
-  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.0" FILE "3mf_io_plugin.json")
+  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.90" FILE "3mf_io_plugin.json")
 
   typedef CGAL::Exact_predicates_inexact_constructions_kernel Kernel;
   typedef std::vector<Kernel::Point_3> PointRange;
@@ -33,6 +33,31 @@ class Io_3mf_plugin:
   typedef std::vector<Polygon> PolygonRange;
   typedef std::list<PointRange> PolylineRange;
   typedef std::vector<CGAL::Color> ColorRange;
+  void init() Q_DECL_OVERRIDE
+  {
+    QMenu* menuFile = CGAL::Three::Three::mainWindow()->findChild<QMenu*>("menuFile");
+
+    QAction* actionSaveSceneTo3mf = new QAction("Save the Scene as a 3mf File...");
+    connect(actionSaveSceneTo3mf, &QAction::triggered, this,
+            [this](){
+
+      QString filename =
+          QFileDialog::getSaveFileName(CGAL::Three::Three::mainWindow(),
+                                       tr("Save Scene to File..."),
+                                       QString(),
+                                       "*.3mf");
+
+      if(filename.isEmpty())
+        return;
+      if(!filename.endsWith(".3mf"))
+        filename.append(".3mf");
+      QList<Scene_item*> all_items;
+      for(int i = 0; i< CGAL::Three::Three::scene()->numberOfEntries(); ++i)
+        all_items.push_back(CGAL::Three::Three::scene()->item(i));
+      save(filename, all_items);
+    });
+    menuFile->insertAction(CGAL::Three::Three::mainWindow()->findChild<QAction*>("actionSa_ve_Scene_as_Script"), actionSaveSceneTo3mf);
+  }
   QString name() const { return "3mf_io_plugin"; }
 
 
@@ -40,10 +65,10 @@ class Io_3mf_plugin:
         "3mf files (*.3mf)"; }
 
 
-  bool canLoad(QFileInfo) const { return true; }
+  bool canLoad(QFileInfo) const Q_DECL_OVERRIDE { return true; }
 
 
-  QList<CGAL::Three::Scene_item*> load(QFileInfo fileinfo, bool& ok, bool add_to_scene=true){
+  QList<CGAL::Three::Scene_item*> load(QFileInfo fileinfo, bool& ok, bool add_to_scene=true) Q_DECL_OVERRIDE {
     namespace PMP = CGAL::Polygon_mesh_processing;
     // Open file
     ok = true;
@@ -151,10 +176,10 @@ class Io_3mf_plugin:
   }
 
 
-  bool canSave(const CGAL::Three::Scene_item*){return false;}
+  bool canSave(const CGAL::Three::Scene_item*) Q_DECL_OVERRIDE {return false;}
 
 
-  bool save(QFileInfo fi, QList<CGAL::Three::Scene_item*>& items){
+  bool save(QFileInfo fi, QList<CGAL::Three::Scene_item*>& items) Q_DECL_OVERRIDE {
 
     QList<CGAL::Three::Scene_item*> to_return;
     std::vector<Scene_surface_mesh_item*> sm_items;
diff --git a/Polyhedron/demo/Polyhedron/Plugins/IO/GOCAD_io_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/IO/GOCAD_io_plugin.cpp
index 1709c1dfa60..0f00e7eea6f 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/IO/GOCAD_io_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/IO/GOCAD_io_plugin.cpp
@@ -24,7 +24,7 @@ class Polyhedron_demo_gocad_plugin :
   Q_OBJECT
   Q_INTERFACES(CGAL::Three::Polyhedron_demo_plugin_interface CGAL::Three::Polyhedron_demo_io_plugin_interface)
   Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.PluginInterface/1.0" FILE "gocad_io_plugin.json")
-  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.0" )
+  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.90" )
 
 public:
   void init(QMainWindow* mainWindow,
diff --git a/Polyhedron/demo/Polyhedron/Plugins/IO/LAS_io_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/IO/LAS_io_plugin.cpp
index 176824c2e16..813b29186e0 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/IO/LAS_io_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/IO/LAS_io_plugin.cpp
@@ -10,7 +10,7 @@ class Polyhedron_demo_las_plugin :
 {
   Q_OBJECT
   Q_INTERFACES(CGAL::Three::Polyhedron_demo_io_plugin_interface)
-  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.0" FILE "las_io_plugin.json")
+  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.90" FILE "las_io_plugin.json")
 
 public:
   QString name() const { return "las_plugin"; }
diff --git a/Polyhedron/demo/Polyhedron/Plugins/IO/OFF_io_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/IO/OFF_io_plugin.cpp
index 58edff9b8e3..76d53b4014b 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/IO/OFF_io_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/IO/OFF_io_plugin.cpp
@@ -22,7 +22,7 @@ class Polyhedron_demo_off_plugin :
 {
   Q_OBJECT
   Q_INTERFACES(CGAL::Three::Polyhedron_demo_io_plugin_interface)
-  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.0" FILE "off_io_plugin.json")
+  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.90" FILE "off_io_plugin.json")
 
 public:
   bool isDefaultLoader(const Scene_item *item) const 
diff --git a/Polyhedron/demo/Polyhedron/Plugins/IO/OFF_to_nef_io_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/IO/OFF_to_nef_io_plugin.cpp
index dd765722381..3366e1dbb68 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/IO/OFF_to_nef_io_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/IO/OFF_to_nef_io_plugin.cpp
@@ -11,7 +11,7 @@ class Polyhedron_demo_off_to_nef_plugin :
 {
   Q_OBJECT
   Q_INTERFACES(CGAL::Three::Polyhedron_demo_io_plugin_interface)
-  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.0" FILE "off_to_nef_io_plugin.json")
+  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.90" FILE "off_to_nef_io_plugin.json")
 
 public:
   QString name() const { return "off_to_nef_plugin"; }
diff --git a/Polyhedron/demo/Polyhedron/Plugins/IO/PLY_io_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/IO/PLY_io_plugin.cpp
index d72084a7e0b..6ce2fdeb793 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/IO/PLY_io_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/IO/PLY_io_plugin.cpp
@@ -20,7 +20,7 @@ class Polyhedron_demo_ply_plugin :
 {
   Q_OBJECT
   Q_INTERFACES(CGAL::Three::Polyhedron_demo_io_plugin_interface)
-  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.0" FILE "ply_io_plugin.json")
+  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.90" FILE "ply_io_plugin.json")
 
 public:
   bool isDefaultLoader(const CGAL::Three::Scene_item *item) const 
diff --git a/Polyhedron/demo/Polyhedron/Plugins/IO/Polylines_io_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/IO/Polylines_io_plugin.cpp
index 222f7362d2f..f5898b953bc 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/IO/Polylines_io_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/IO/Polylines_io_plugin.cpp
@@ -17,7 +17,7 @@ class Polyhedron_demo_polylines_io_plugin :
   Q_OBJECT
     Q_INTERFACES(CGAL::Three::Polyhedron_demo_plugin_interface CGAL::Three::Polyhedron_demo_io_plugin_interface)
     Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.PluginInterface/1.0" FILE "polylines_io_plugin.json")
-    Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.0")
+    Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.90")
 
 
 public:
diff --git a/Polyhedron/demo/Polyhedron/Plugins/IO/STL_io_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/IO/STL_io_plugin.cpp
index 475fc302197..ff0ccea88ed 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/IO/STL_io_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/IO/STL_io_plugin.cpp
@@ -31,7 +31,7 @@ class Polyhedron_demo_stl_plugin :
   Q_OBJECT
   Q_INTERFACES(CGAL::Three::Polyhedron_demo_plugin_interface CGAL::Three::Polyhedron_demo_io_plugin_interface)
   Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.PluginInterface/1.0" FILE "stl_io_plugin.json")
-  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.0")
+  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.90")
 
 public:
   void init(QMainWindow* mainWindow,
diff --git a/Polyhedron/demo/Polyhedron/Plugins/IO/Surf_io_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/IO/Surf_io_plugin.cpp
index f97fed4afad..9e728d6efe0 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/IO/Surf_io_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/IO/Surf_io_plugin.cpp
@@ -26,7 +26,7 @@ class Surf_io_plugin:
   Q_OBJECT
   Q_INTERFACES(CGAL::Three::Polyhedron_demo_plugin_interface CGAL::Three::Polyhedron_demo_io_plugin_interface)
   Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.PluginInterface/1.0" FILE "surf_io_plugin.json")
-  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.0")
+  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.90")
 
 public:
   void init(QMainWindow* mainWindow,
diff --git a/Polyhedron/demo/Polyhedron/Plugins/IO/VTK_io_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/IO/VTK_io_plugin.cpp
index 485c5a0c6f8..cc235ee91a2 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/IO/VTK_io_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/IO/VTK_io_plugin.cpp
@@ -291,7 +291,7 @@ class Polyhedron_demo_vtk_plugin :
 {
   Q_OBJECT
   Q_INTERFACES(CGAL::Three::Polyhedron_demo_io_plugin_interface)
-  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.0" FILE "vtk_io_plugin.json")
+  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.90" FILE "vtk_io_plugin.json")
 
 public:
   typedef boost::graph_traits<FaceGraph>::vertex_descriptor vertex_descriptor;
diff --git a/Polyhedron/demo/Polyhedron/Plugins/IO/XYZ_io_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/IO/XYZ_io_plugin.cpp
index 8ab464ed7c6..f049fed6007 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/IO/XYZ_io_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/IO/XYZ_io_plugin.cpp
@@ -15,7 +15,7 @@ class Polyhedron_demo_xyz_plugin :
 {
   Q_OBJECT
   Q_INTERFACES(CGAL::Three::Polyhedron_demo_io_plugin_interface)
-  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.0" FILE "xyz_io_plugin.json")
+  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.90" FILE "xyz_io_plugin.json")
 
 public:
 
diff --git a/Polyhedron/demo/Polyhedron/Plugins/IO/lcc_io_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/IO/lcc_io_plugin.cpp
index 2b4d0649093..71c47452676 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/IO/lcc_io_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/IO/lcc_io_plugin.cpp
@@ -14,7 +14,7 @@ class LCC_io_plugin :
 {
   Q_OBJECT
   Q_INTERFACES(CGAL::Three::Polyhedron_demo_io_plugin_interface)
-  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.0" FILE "lcc_io_plugin.json")
+  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.90" FILE "lcc_io_plugin.json")
   
 public:
   bool isDefaultLoader(const CGAL::Three::Scene_item *item) const 
diff --git a/Polyhedron/demo/Polyhedron/Plugins/Mesh_3/Io_image_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/Mesh_3/Io_image_plugin.cpp
index 69e31f785fa..d1103dac9ff 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/Mesh_3/Io_image_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/Mesh_3/Io_image_plugin.cpp
@@ -207,7 +207,7 @@ class Io_image_plugin :
   Q_OBJECT
   Q_INTERFACES(CGAL::Three::Polyhedron_demo_io_plugin_interface)
   Q_INTERFACES(CGAL::Three::Polyhedron_demo_plugin_interface)
-  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.0" FILE "io_image_plugin.json")
+  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.90" FILE "io_image_plugin.json")
 
 public:
 
diff --git a/Polyhedron/demo/Polyhedron/Plugins/PMP/Selection_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/PMP/Selection_plugin.cpp
index cd8512993f0..22a29ef9991 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/PMP/Selection_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/PMP/Selection_plugin.cpp
@@ -73,7 +73,7 @@ class Polyhedron_demo_selection_plugin :
   Q_OBJECT
     Q_INTERFACES(CGAL::Three::Polyhedron_demo_plugin_interface CGAL::Three::Polyhedron_demo_io_plugin_interface)
     Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.PluginInterface/1.0" FILE "selection_plugin.json")
-    Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.0")
+    Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.90")
 public:
   QString nameFilters() const { return "Selection files(*.selection.txt)"; }
   QString name() const { return "selection_sm_plugin"; }
diff --git a/Polyhedron/demo/Polyhedron/Plugins/Point_set/Features_detection_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/Point_set/Features_detection_plugin.cpp
index c8e045980b2..3741d73da1b 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/Point_set/Features_detection_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Plugins/Point_set/Features_detection_plugin.cpp
@@ -19,7 +19,7 @@ class Polyhedron_demo_features_detection_plugin :
 {
   Q_OBJECT
   Q_INTERFACES(CGAL::Three::Polyhedron_demo_plugin_interface)
-    Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.0")
+    Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.PluginInterface/1.0")
   QAction* actionDetectFeatures;
 public:
   QList<QAction*> actions() const { return QList<QAction*>() << actionDetectFeatures; }
diff --git a/Three/include/CGAL/Three/Polyhedron_demo_io_plugin_interface.h b/Three/include/CGAL/Three/Polyhedron_demo_io_plugin_interface.h
index 8361b1e5384..039c8e9ad73 100644
--- a/Three/include/CGAL/Three/Polyhedron_demo_io_plugin_interface.h
+++ b/Three/include/CGAL/Three/Polyhedron_demo_io_plugin_interface.h
@@ -28,16 +28,23 @@
 #include <QFileInfo>
 #include <QStringList>
 #include <QtPlugin>
-
+class QMainWindow;
+class Messages_interface;
 namespace CGAL{
 namespace Three {
 class Scene_item;
+class Scene_interface;
   /*!
    * This class provides a base for creating a new IO plugin.
    */
 class Polyhedron_demo_io_plugin_interface 
 {
 public:
+  //! \brief Initializes the plugin
+  //! This function is called in the constructor of the MainWindow.
+  //! Whatever initialization the plugin needs can be done here. Default
+  //! behavior is to do nothing.
+  virtual void init(){}
   //!Returns the name of the plugin
   //!It is used by the loading system.
   virtual QString name() const = 0;
@@ -89,6 +96,6 @@ public:
 }
 }
 Q_DECLARE_INTERFACE(CGAL::Three::Polyhedron_demo_io_plugin_interface,
-                    "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.0")
+                    "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.90")
 
 #endif // POLYHEDRON_DEMO_IO_PLUGIN_INTERFACE_H