diff --git a/src/libslic3r/Technologies.hpp b/src/libslic3r/Technologies.hpp
index 5a44ae48e1..8df87d6f85 100644
--- a/src/libslic3r/Technologies.hpp
+++ b/src/libslic3r/Technologies.hpp
@@ -25,6 +25,8 @@
 #define ENABLE_MODELVOLUME_TRANSFORM (1 && ENABLE_1_42_0)
 // Gizmos always rendered on top of objects
 #define ENABLE_GIZMOS_ON_TOP (1 && ENABLE_1_42_0)
+// New menu layout (open/save/save as project + import/export)
+#define ENABLE_NEW_MENU_LAYOUT (1 && ENABLE_1_42_0)
 
 #endif // _technologies_h_
 
diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index c201d4018b..33fdb87793 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -304,20 +304,32 @@ void GUI_App::update_ui_from_settings()
     mainframe->update_ui_from_settings();
 }
 
-
-void GUI_App::open_model(wxWindow *parent, wxArrayString& input_files)
+#if ENABLE_NEW_MENU_LAYOUT
+void GUI_App::load_project(wxWindow *parent, wxString& input_file)
 {
-    auto dialog = new wxFileDialog(parent ? parent : GetTopWindow(),
+    input_file.Clear();
+    wxFileDialog dialog(parent ? parent : GetTopWindow(),
+        _(L("Choose one file (3MF):")),
+        app_config->get_last_dir(), "",
+        file_wildcards[FT_3MF], wxFD_OPEN | wxFD_FILE_MUST_EXIST);
+
+    if (dialog.ShowModal() == wxID_OK)
+        input_file = dialog.GetPath();
+}
+
+void GUI_App::import_model(wxWindow *parent, wxArrayString& input_files)
+#else
+void GUI_App::open_model(wxWindow *parent, wxArrayString& input_files)
+#endif // ENABLE_NEW_MENU_LAYOUT
+{
+    input_files.Clear();
+    wxFileDialog dialog(parent ? parent : GetTopWindow(),
         _(L("Choose one or more files (STL/OBJ/AMF/3MF/PRUSA):")),
         app_config->get_last_dir(), "",
         file_wildcards[FT_MODEL], wxFD_OPEN | wxFD_MULTIPLE | wxFD_FILE_MUST_EXIST);
-    if (dialog->ShowModal() != wxID_OK) {
-        dialog->Destroy();
-        return;
-    }
 
-    dialog->GetPaths(input_files);
-    dialog->Destroy();
+    if (dialog.ShowModal() == wxID_OK)
+        dialog.GetPaths(input_files);
 }
 
 void GUI_App::CallAfter(std::function<void()> cb)
diff --git a/src/slic3r/GUI/GUI_App.hpp b/src/slic3r/GUI/GUI_App.hpp
index ee74d6293f..dcd9b7ad37 100644
--- a/src/slic3r/GUI/GUI_App.hpp
+++ b/src/slic3r/GUI/GUI_App.hpp
@@ -102,7 +102,12 @@ public:
 
     void            recreate_GUI();
     void            system_info();
+#if ENABLE_NEW_MENU_LAYOUT
+    void            load_project(wxWindow *parent, wxString& input_file);
+    void            import_model(wxWindow *parent, wxArrayString& input_files);
+#else
     void            open_model(wxWindow *parent, wxArrayString& input_files);
+#endif // ENABLE_NEW_MENU_LAYOUT
     static bool     catch_error(std::function<void()> cb,
 //                                 wxMessageDialog* message_dialog,
                                 const std::string& err);
diff --git a/src/slic3r/GUI/GUI_ObjectList.cpp b/src/slic3r/GUI/GUI_ObjectList.cpp
index 01815cfd65..25aaf16f25 100644
--- a/src/slic3r/GUI/GUI_ObjectList.cpp
+++ b/src/slic3r/GUI/GUI_ObjectList.cpp
@@ -727,7 +727,11 @@ void ObjectList::load_part( ModelObject* model_object,
 
     m_parts_changed = false;
     wxArrayString input_files;
+#if ENABLE_NEW_MENU_LAYOUT
+    wxGetApp().import_model(parent, input_files);
+#else
     wxGetApp().open_model(parent, input_files);
+#endif // ENABLE_NEW_MENU_LAYOUT
     for (int i = 0; i < input_files.size(); ++i) {
         std::string input_file = input_files.Item(i).ToStdString();
 
diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index b67d19af2d..bfdc95ba09 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -217,11 +217,76 @@ void MainFrame::add_created_tab(Tab* panel)
         m_tabpanel->AddPage(panel, panel->title());
 }
 
+#if ENABLE_NEW_MENU_LAYOUT
+bool MainFrame::can_save() const
+{
+    return (m_plater != nullptr) ? !m_plater->model().objects.empty() : false;
+}
+
+bool MainFrame::can_export_model() const
+{
+    return (m_plater != nullptr) ? !m_plater->model().objects.empty() : false;
+}
+
+bool MainFrame::can_export_gcode() const
+{
+    if (m_plater == nullptr)
+        return false;
+
+    if (m_plater->model().objects.empty())
+        return false;
+
+    if (m_plater->is_export_gcode_scheduled())
+        return false;
+
+    // TODO:: add other filters
+
+    return true;
+}
+#endif // ENABLE_NEW_MENU_LAYOUT
+
 void MainFrame::init_menubar()
 {
     // File menu
     wxMenu* fileMenu = new wxMenu;
     {
+#if ENABLE_NEW_MENU_LAYOUT
+        append_menu_item(fileMenu, wxID_ANY, _(L("Open…\tCtrl+O")), _(L("Open a project file")),
+            [this](wxCommandEvent&) { if (m_plater) m_plater->load_project(); }, "brick_add.png");
+        wxMenuItem* item_save = append_menu_item(fileMenu, wxID_ANY, _(L("Save\tCtrl+S")), _(L("Save current project file")),
+            [this](wxCommandEvent&) { if (m_plater) m_plater->export_3mf(m_plater->get_project_filename().wx_str()); }, "disk.png");
+        wxMenuItem* item_save_as = append_menu_item(fileMenu, wxID_ANY, _(L("Save as…\tCtrl+Alt+S")), _(L("Save current project file as")),
+            [this](wxCommandEvent&) { if (m_plater) m_plater->export_3mf(); }, "disk.png");
+
+        fileMenu->AppendSeparator();
+
+        wxMenu* import_menu = new wxMenu();
+        append_menu_item(import_menu, wxID_ANY, _(L("Import STL/OBJ/AMF/3MF…\tCtrl+I")), _(L("Load a model")),
+            [this](wxCommandEvent&) { if (m_plater) m_plater->add_model(); }, "brick_add.png");
+        import_menu->AppendSeparator();
+        append_menu_item(import_menu, wxID_ANY, _(L("Import Config…\tCtrl+L")), _(L("Load exported configuration file")),
+            [this](wxCommandEvent&) { load_config_file(); }, "plugin_add.png");
+        append_menu_item(import_menu, wxID_ANY, _(L("Import Config Bundle…")), _(L("Load presets from a bundle")),
+            [this](wxCommandEvent&) { load_configbundle(); }, "lorry_add.png");
+        append_submenu(fileMenu, import_menu, wxID_ANY, _(L("Import")), _(L("")));
+
+        wxMenu* export_menu = new wxMenu();
+        wxMenuItem* item_export_gcode = append_menu_item(export_menu, wxID_ANY, _(L("Export G-code…")), _(L("Export current plate as G-code")),
+            [this](wxCommandEvent&) { if (m_plater) m_plater->export_gcode(); }, "cog_go.png");
+        export_menu->AppendSeparator();
+        wxMenuItem* item_export_stl = append_menu_item(export_menu, wxID_ANY, _(L("Export plate as STL…")), _(L("Export current plate as STL")),
+            [this](wxCommandEvent&) { if (m_plater) m_plater->export_stl(); }, "brick_go.png");
+        wxMenuItem* item_export_amf = append_menu_item(export_menu, wxID_ANY, _(L("Export plate as AMF…")), _(L("Export current plate as AMF")),
+            [this](wxCommandEvent&) { if (m_plater) m_plater->export_amf(); }, "brick_go.png");
+        export_menu->AppendSeparator();
+        append_menu_item(export_menu, wxID_ANY, _(L("Export Config…\tCtrl+E")), _(L("Export current configuration to file")),
+            [this](wxCommandEvent&) { export_config(); }, "plugin_go.png");
+        append_menu_item(export_menu, wxID_ANY, _(L("Export Config Bundle…")), _(L("Export all presets to file")),
+            [this](wxCommandEvent&) { export_configbundle(); }, "lorry_go.png");
+        append_submenu(fileMenu, export_menu, wxID_ANY, _(L("Export")), _(L("")));
+
+        fileMenu->AppendSeparator();
+#else
         append_menu_item(fileMenu, wxID_ANY, _(L("Open STL/OBJ/AMF/3MF…\tCtrl+O")), _(L("Open a model")),
                         [this](wxCommandEvent&) { if (m_plater) m_plater->add(); }, "brick_add.png");
         append_menu_item(fileMenu, wxID_ANY, _(L("&Load Config…\tCtrl+L")), _(L("Load exported configuration file")), 
@@ -233,6 +298,8 @@ void MainFrame::init_menubar()
         append_menu_item(fileMenu, wxID_ANY, _(L("&Export Config Bundle…")), _(L("Export all presets to file")), 
                         [this](wxCommandEvent&) { export_configbundle(); }, "lorry_go.png");
         fileMenu->AppendSeparator();
+#endif // ENABLE_NEW_MENU_LAYOUT
+
         m_menu_item_repeat = nullptr;
         append_menu_item(fileMenu, wxID_ANY, _(L("Q&uick Slice…\tCtrl+U")), _(L("Slice a file into a G-code")),
             [this](wxCommandEvent&) {
@@ -263,8 +330,17 @@ void MainFrame::init_menubar()
         fileMenu->AppendSeparator();
         append_menu_item(fileMenu, wxID_EXIT, _(L("&Quit")), _(L("Quit Slic3r")),
             [this](wxCommandEvent&) { Close(false); } );
+
+#if ENABLE_NEW_MENU_LAYOUT
+        Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { evt.Enable(can_save()); }, item_save->GetId());
+        Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { evt.Enable(can_save()); }, item_save_as->GetId());
+        Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { evt.Enable(can_export_gcode()); }, item_export_gcode->GetId());
+        Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { evt.Enable(can_export_model()); }, item_export_stl->GetId());
+        Bind(wxEVT_UPDATE_UI, [this](wxUpdateUIEvent& evt) { evt.Enable(can_export_model()); }, item_export_amf->GetId());
+#endif // ENABLE_NEW_MENU_LAYOUT
     }
 
+#if !ENABLE_NEW_MENU_LAYOUT
     // Plater menu
     if (m_plater) {
         m_plater_menu = new wxMenu();
@@ -277,6 +353,7 @@ void MainFrame::init_menubar()
         append_menu_item(m_plater_menu, wxID_ANY, _(L("Export plate as 3MF...")), _(L("Export current plate as 3MF")),
             [this](wxCommandEvent&) { m_plater->export_3mf(); }, "brick_go.png");
     }
+#endif // !ENABLE_NEW_MENU_LAYOUT
 
     // Window menu
     auto windowMenu = new wxMenu();
@@ -299,6 +376,23 @@ void MainFrame::init_menubar()
     }
 
     // View menu
+#if ENABLE_NEW_MENU_LAYOUT
+    wxMenu* viewMenu = nullptr;
+    if (m_plater) {
+        viewMenu = new wxMenu();
+        // \xA0 is a non-breaing space. It is entered here to spoil the automatic accelerators,
+        // as the simple numeric accelerators spoil all numeric data entry.
+        // The camera control accelerators are captured by GLCanvas3D::on_char().
+        append_menu_item(viewMenu, wxID_ANY, _(L("Iso")) + "\t\xA0" + "0", _(L("Iso View")), [this](wxCommandEvent&) { select_view("iso"); });
+        viewMenu->AppendSeparator();
+        append_menu_item(viewMenu, wxID_ANY, _(L("Top")) + "\t\xA0" + "1", _(L("Top View")), [this](wxCommandEvent&) { select_view("top"); });
+        append_menu_item(viewMenu, wxID_ANY, _(L("Bottom")) + "\t\xA0" + "2", _(L("Bottom View")), [this](wxCommandEvent&) { select_view("bottom"); });
+        append_menu_item(viewMenu, wxID_ANY, _(L("Front")) + "\t\xA0" + "3", _(L("Front View")), [this](wxCommandEvent&) { select_view("front"); });
+        append_menu_item(viewMenu, wxID_ANY, _(L("Rear")) + "\t\xA0" + "4", _(L("Rear View")), [this](wxCommandEvent&) { select_view("rear"); });
+        append_menu_item(viewMenu, wxID_ANY, _(L("Left")) + "\t\xA0" + "5", _(L("Left View")), [this](wxCommandEvent&) { select_view("left"); });
+        append_menu_item(viewMenu, wxID_ANY, _(L("Right")) + "\t\xA0" + "6", _(L("Right View")), [this](wxCommandEvent&) { select_view("right"); });
+    }
+#else
     if (m_plater) {
         m_viewMenu = new wxMenu();
         // \xA0 is a non-breaing space. It is entered here to spoil the automatic accelerators,
@@ -313,6 +407,7 @@ void MainFrame::init_menubar()
         append_menu_item(m_viewMenu, wxID_ANY, _(L("Left")) + "\t\xA0" + "5", _(L("Left View")), [this](wxCommandEvent&) { select_view("left"); });
         append_menu_item(m_viewMenu, wxID_ANY, _(L("Right")) + "\t\xA0" + "6", _(L("Right View")), [this](wxCommandEvent&) { select_view("right"); });
     }
+#endif // ENABLE_NEW_MENU_LAYOUT
 
     // Help menu
     auto helpMenu = new wxMenu();
@@ -346,9 +441,15 @@ void MainFrame::init_menubar()
     {
         auto menubar = new wxMenuBar();
         menubar->Append(fileMenu, L("&File"));
-        if (m_plater_menu) menubar->Append(m_plater_menu, L("&Plater")) ;
+#if !ENABLE_NEW_MENU_LAYOUT
+        if (m_plater_menu) menubar->Append(m_plater_menu, L("&Plater"));
+#endif // !ENABLE_NEW_MENU_LAYOUT
         menubar->Append(windowMenu, L("&Window"));
+#if ENABLE_NEW_MENU_LAYOUT
+        if (viewMenu) menubar->Append(viewMenu, L("&View"));
+#else
         if (m_viewMenu) menubar->Append(m_viewMenu, L("&View"));
+#endif // !ENABLE_NEW_MENU_LAYOUT
         // Add additional menus from C++
         wxGetApp().add_config_menu(menubar);
         menubar->Append(helpMenu, L("&Help"));
diff --git a/src/slic3r/GUI/MainFrame.hpp b/src/slic3r/GUI/MainFrame.hpp
index b6cd7916ac..bb3b5776a0 100644
--- a/src/slic3r/GUI/MainFrame.hpp
+++ b/src/slic3r/GUI/MainFrame.hpp
@@ -57,8 +57,10 @@ class MainFrame : public wxFrame
 
     wxMenuItem* m_menu_item_repeat { nullptr };
     wxMenuItem* m_menu_item_reslice_now { nullptr };
-    wxMenu*     m_plater_menu { nullptr };
+#if !ENABLE_NEW_MENU_LAYOUT
+    wxMenu*     m_plater_menu{ nullptr };
     wxMenu*     m_viewMenu{ nullptr };
+#endif // !ENABLE_NEW_MENU_LAYOUT
 
     std::string     get_base_name(const wxString full_name) const ;
     std::string     get_dir_name(const wxString full_name) const ;
@@ -67,6 +69,12 @@ class MainFrame : public wxFrame
     void on_value_changed(wxCommandEvent&);
     Tab*         get_tab(const std::string& name);
 
+#if ENABLE_NEW_MENU_LAYOUT
+    bool can_save() const;
+    bool can_export_model() const;
+    bool can_export_gcode() const;
+#endif // ENABLE_NEW_MENU_LAYOUT
+
 public:
     MainFrame() {}
     MainFrame(const bool no_plater, const bool loaded);
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 3840b248c1..a3f8637a6b 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -886,6 +886,11 @@ struct Plater::priv
     Sidebar *sidebar;
     wxGLCanvas *canvas3D;    // TODO: Use GLCanvas3D when we can
     Preview *preview;
+
+#if ENABLE_NEW_MENU_LAYOUT
+    wxString project_filename;
+#endif // ENABLE_NEW_MENU_LAYOUT
+
     BackgroundSlicingProcess    background_process;
     std::atomic<bool>           arranging;
 
@@ -995,6 +1000,9 @@ Plater::priv::priv(Plater *q, MainFrame *main_frame) :
     notebook(new wxNotebook(q, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxNB_BOTTOM)),
     sidebar(new Sidebar(q)),
     canvas3D(GLCanvas3DManager::create_wxglcanvas(notebook))
+#if ENABLE_NEW_MENU_LAYOUT
+    , project_filename(wxEmptyString)
+#endif // ENABLE_NEW_MENU_LAYOUT
 {
     arranging.store(false);
     background_process.set_fff_print(&print);
@@ -1478,6 +1486,10 @@ void Plater::priv::delete_object_from_model(size_t obj_idx)
 
 void Plater::priv::reset()
 {
+#if ENABLE_NEW_MENU_LAYOUT
+    project_filename.Clear();
+#endif // ENABLE_NEW_MENU_LAYOUT
+
     // Prevent toolpaths preview from rendering while we modify the Print object
     preview->set_enabled(false);
 
@@ -1906,7 +1918,11 @@ void Plater::priv::on_schedule_background_process(SimpleEvent&)
 void Plater::priv::on_action_add(SimpleEvent&)
 {
     if (q != nullptr)
+#if ENABLE_NEW_MENU_LAYOUT
+        q->add_model();
+#else
         q->add();
+#endif // ENABLE_NEW_MENU_LAYOUT
 }
 
 void Plater::priv::on_action_split_objects(SimpleEvent&)
@@ -2107,10 +2123,38 @@ Sidebar& Plater::sidebar() { return *p->sidebar; }
 Model& Plater::model()  { return p->model; }
 Print& Plater::print()  { return p->print; }
 
+#if ENABLE_NEW_MENU_LAYOUT
+void Plater::load_project()
+{
+    wxString input_file;
+    wxGetApp().load_project(this, input_file);
+
+    if (input_file.empty())
+        return;
+
+    p->reset();
+    p->project_filename = input_file;
+
+    std::vector<fs::path> input_paths;
+    input_paths.push_back(input_file.wx_str());
+    load_files(input_paths);
+}
+
+void Plater::add_model()
+#else
 void Plater::add()
+#endif // ENABLE_NEW_MENU_LAYOUT
 {
     wxArrayString input_files;
+#if ENABLE_NEW_MENU_LAYOUT
+    wxGetApp().import_model(this, input_files);
+#else
     wxGetApp().open_model(this, input_files);
+#endif // ENABLE_NEW_MENU_LAYOUT
+#if ENABLE_NEW_MENU_LAYOUT
+    if (input_files.empty())
+        return;
+#endif // ENABLE_NEW_MENU_LAYOUT
 
     std::vector<fs::path> input_paths;
     for (const auto &file : input_files) {
@@ -2321,18 +2365,42 @@ void Plater::export_amf()
     }
 }
 
+#if ENABLE_NEW_MENU_LAYOUT
+void Plater::export_3mf(const boost::filesystem::path& output_path)
+#else
 void Plater::export_3mf()
+#endif // ENABLE_NEW_MENU_LAYOUT
 {
     if (p->model.objects.empty()) { return; }
 
-    auto dialog = p->get_export_file(FT_3MF);
-    if (! dialog) { return; }
+#if ENABLE_NEW_MENU_LAYOUT
+    wxString path;
+    bool export_config = true;
+    if (output_path.empty())
+    {
+#endif // ENABLE_NEW_MENU_LAYOUT
+        auto dialog = p->get_export_file(FT_3MF);
+        if (!dialog) { return; }
+#if ENABLE_NEW_MENU_LAYOUT
+        path = dialog->GetPath();
+        export_config = dialog->get_checkbox_value();
+    }
+    else
+        path = output_path.string();
 
-    wxString path = dialog->GetPath();
-    auto path_cstr = path.c_str();
+    if (!path.Lower().EndsWith(".3mf"))
+        return;
+#else
+        wxString path = dialog->GetPath();
+        auto path_cstr = path.c_str();
+#endif // ENABLE_NEW_MENU_LAYOUT
 
 	DynamicPrintConfig cfg = wxGetApp().preset_bundle->full_config();
-	if (Slic3r::store_3mf(path_cstr, &p->model, dialog->get_checkbox_value() ? &cfg : nullptr)) {
+#if ENABLE_NEW_MENU_LAYOUT
+    if (Slic3r::store_3mf(path.c_str(), &p->model, export_config ? &cfg : nullptr)) {
+#else
+    if (Slic3r::store_3mf(path_cstr, &p->model, dialog->get_checkbox_value() ? &cfg : nullptr)) {
+#endif // ENABLE_NEW_MENU_LAYOUT
         // Success
         p->statusbar()->set_status_text(wxString::Format(_(L("3MF file exported to %s")), path));
     } else {
@@ -2449,6 +2517,18 @@ void Plater::on_config_change(const DynamicPrintConfig &config)
         this->p->schedule_background_process();
 }
 
+#if ENABLE_NEW_MENU_LAYOUT
+const wxString& Plater::get_project_filename() const
+{
+    return p->project_filename;
+}
+
+bool Plater::is_export_gcode_scheduled() const
+{
+    return p->background_process.is_export_scheduled();
+}
+#endif // ENABLE_NEW_MENU_LAYOUT
+
 int Plater::get_selected_object_idx()
 {
     return p->get_selected_object_idx();
diff --git a/src/slic3r/GUI/Plater.hpp b/src/slic3r/GUI/Plater.hpp
index 1b2b530402..7982d504fe 100644
--- a/src/slic3r/GUI/Plater.hpp
+++ b/src/slic3r/GUI/Plater.hpp
@@ -111,7 +111,12 @@ public:
     Model& model();
     Print& print();
 
+#if ENABLE_NEW_MENU_LAYOUT
+    void load_project();
+    void add_model();
+#else
     void add();
+#endif // ENABLE_NEW_MENU_LAYOUT
 
     void load_files(const std::vector<boost::filesystem::path> &input_files);
 
@@ -129,7 +134,11 @@ public:
     void export_gcode(boost::filesystem::path output_path = boost::filesystem::path());
     void export_stl();
     void export_amf();
+#if ENABLE_NEW_MENU_LAYOUT
+    void export_3mf(const boost::filesystem::path& output_path = boost::filesystem::path());
+#else
     void export_3mf();
+#endif // ENABLE_NEW_MENU_LAYOUT
     void reslice();
     void changed_object(int obj_idx);
     void fix_through_netfabb(const int obj_idx);
@@ -138,6 +147,11 @@ public:
     void on_extruders_change(int extruders_count);
     void on_config_change(const DynamicPrintConfig &config);
 
+#if ENABLE_NEW_MENU_LAYOUT
+    const wxString& get_project_filename() const;
+    bool is_export_gcode_scheduled() const;
+#endif // ENABLE_NEW_MENU_LAYOUT
+
     int get_selected_object_idx();
     bool is_single_full_object_selection() const;
     wxGLCanvas* canvas3D();