diff --git a/Polyhedron/demo/Polyhedron/Plugins/IO/CMakeLists.txt b/Polyhedron/demo/Polyhedron/Plugins/IO/CMakeLists.txt
index 5ac22254a05..dc89b5a8f5d 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/IO/CMakeLists.txt
+++ b/Polyhedron/demo/Polyhedron/Plugins/IO/CMakeLists.txt
@@ -50,6 +50,11 @@ set_package_properties(
   DESCRIPTION "A library for image processing."
   PURPOSE "Can be used for I/O (DICOM, VTU, VTP.")
 
+polyhedron_demo_plugin(triangulation_3_io_plugin triangulation_3_io_plugin KEYWORDS IO)
+#todo
+#target_link_libraries(triangulation_3_io_plugin PUBLIC scene_triangulation_3_item)
+
+
 if(VTK_FOUND)
   if(VTK_USE_FILE)
     include(${VTK_USE_FILE})
diff --git a/Polyhedron/demo/Polyhedron/Plugins/IO/triangulation_3_io_plugin.cpp b/Polyhedron/demo/Polyhedron/Plugins/IO/triangulation_3_io_plugin.cpp
new file mode 100644
index 00000000000..dc677fe5df7
--- /dev/null
+++ b/Polyhedron/demo/Polyhedron/Plugins/IO/triangulation_3_io_plugin.cpp
@@ -0,0 +1,77 @@
+#include <CGAL/Three/Three.h>
+#include <CGAL/Three/Polyhedron_demo_io_plugin_interface.h>
+
+#include <iostream>
+#include <fstream>
+
+class Triangulation_3_io_plugin :
+    public QObject,
+    public CGAL::Three::Polyhedron_demo_io_plugin_interface
+{
+  Q_OBJECT
+  Q_INTERFACES(CGAL::Three::Polyhedron_demo_io_plugin_interface)
+  Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.90" FILE "triangulation_3_io_plugin.json")
+
+public:
+  bool isDefaultLoader(const CGAL::Three::Scene_item *item) const override
+  {
+    //TODO: set it for triangulation_3_item
+    //if(qobject_cast<const Scene_lcc_item*>(item))
+    //  return true;
+    return false;
+  }
+  QString name() const override{ return "triangulation_3_io_plugin"; }
+  //todo: probably the same than for c3t3_io_plugn
+  QString nameFilters() const override{ return
+        ""; }
+
+  //todo: same
+  QString saveNameFilters() const override{
+    return "";
+  }
+
+  //todo
+  bool canLoad(QFileInfo) const override{ return true; }
+  QList<CGAL::Three::Scene_item*> load(QFileInfo fileinfo, bool& ok, bool add_to_scene=true) override{
+    // Open file
+    std::ifstream ifs(fileinfo.filePath().toUtf8());
+    if(!ifs) {
+      std::cerr << "Error! Cannot open file " << (const char*)fileinfo.filePath().toUtf8() << std::endl;
+      ok = false;
+      return QList<CGAL::Three::Scene_item*>();
+    }
+
+
+    QString ext = fileinfo.suffix();
+    bool res = true;
+    if(ext == "")
+    {
+    }
+    else
+    {
+    }
+    if(!res)
+    {
+      ok = false;
+      return QList<CGAL::Three::Scene_item*>();
+    }
+    //Scene_lcc_item* new_item = new Scene_lcc_item(lcc);
+    //new_item->setName(fileinfo.fileName());
+    //new_item->invalidateOpenGLBuffers();
+    //if(add_to_scene)
+    //  CGAL::Three::Three::scene()->addItem(new_item);
+    //ok = true;
+    //return QList<CGAL::Three::Scene_item*>()<<new_item;
+    return false;
+  }
+
+
+  bool canSave(const CGAL::Three::Scene_item*)override{return true;}
+  bool save(QFileInfo, QList<CGAL::Three::Scene_item*>& )override{
+    return false;
+  }
+
+};
+
+
+#include "triangulation_3_io_plugin.moc"