diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index ecd1ddea2..505a45125 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -58,9 +58,9 @@ wxFrame(NULL, wxID_ANY, SLIC3R_BUILD, wxDefaultPosition, wxDefaultSize, wxDEFAUL
                                  SLIC3R_VERSION +
                                  _(L(" - Remember to check for updates at http://github.com/prusa3d/slic3r/releases")));
 
-	//     m_appController->set_model(m_plater->model);
-	//     m_appController->set_print(m_plater->print);
-	//     m_plater->appController = m_appController;
+    m_appController->set_model(&m_plater->model());
+    m_appController->set_print(&m_plater->print());
+
 	GUI::set_gui_appctl();
 
 	// Make the global status bar and its progress indicator available in C++
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index f2d42806c..4944ac6c6 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -1156,8 +1156,8 @@ std::vector<size_t> Plater::priv::load_model_objects(const ModelObjectPtrs &mode
 
     update();
     _3DScene::zoom_to_volumes(canvas3D);
-    // TODO
-    // $self->object_list_changed;
+    object_list_changed();
+
     // $self->schedule_background_process;
 
     return obj_idxs;
@@ -1687,7 +1687,8 @@ Plater::~Plater()
 }
 
 Sidebar& Plater::sidebar() { return *p->sidebar; }
-Model&  Plater::model()  { return p->model; }
+Model& Plater::model()  { return p->model; }
+Print& Plater::print()  { return p->print; }
 
 void Plater::load_files(const std::vector<fs::path> &input_files) { p->load_files(input_files); }
 
diff --git a/src/slic3r/GUI/Plater.hpp b/src/slic3r/GUI/Plater.hpp
index f8f24e2bc..ac641e6b1 100644
--- a/src/slic3r/GUI/Plater.hpp
+++ b/src/slic3r/GUI/Plater.hpp
@@ -16,6 +16,7 @@ class wxBoxSizer;
 namespace Slic3r {
 
 class Model;
+class Print;
 
 namespace GUI {
 
@@ -91,7 +92,8 @@ public:
     ~Plater();
 
     Sidebar& sidebar();
-    Model&  model();
+    Model& model();
+    Print& print();
 
     void load_files(const std::vector<boost::filesystem::path> &input_files);