diff --git a/xs/CMakeLists.txt b/xs/CMakeLists.txt
index 9c61fa7294..8555fb0155 100644
--- a/xs/CMakeLists.txt
+++ b/xs/CMakeLists.txt
@@ -192,6 +192,8 @@ add_library(libslic3r_gui STATIC
     ${LIBDIR}/slic3r/GUI/PresetHints.hpp
     ${LIBDIR}/slic3r/GUI/GUI.cpp
     ${LIBDIR}/slic3r/GUI/GUI.hpp
+    ${LIBDIR}/slic3r/GUI/GUI_ObjectParts.cpp
+    ${LIBDIR}/slic3r/GUI/GUI_ObjectParts.hpp
     ${LIBDIR}/slic3r/GUI/Tab.cpp
     ${LIBDIR}/slic3r/GUI/Tab.hpp
     ${LIBDIR}/slic3r/GUI/TabIface.cpp
diff --git a/xs/src/slic3r/GUI/GUI.cpp b/xs/src/slic3r/GUI/GUI.cpp
index d897b6d298..dec2c7d7cd 100644
--- a/xs/src/slic3r/GUI/GUI.cpp
+++ b/xs/src/slic3r/GUI/GUI.cpp
@@ -55,6 +55,7 @@
 #include "PresetBundle.hpp"
 #include "UpdateDialogs.hpp"
 #include "FirmwareDialog.hpp"
+#include "GUI_ObjectParts.hpp"
 
 #include "../Utils/PresetUpdater.hpp"
 #include "../Config/Snapshot.hpp"
@@ -495,6 +496,27 @@ void add_menus(wxMenuBar *menu, int event_preferences_changed, int event_languag
 	add_config_menu(menu, event_preferences_changed, event_language_change);
 }
 
+wxArrayString* open_model(wxWindow *parent){
+	t_file_wild_card vec_FILE_WILDCARDS = get_file_wild_card();
+	std::vector<std::string> file_types = { "known", "stl", "obj", "amf", "3mf", "prusa" };
+	wxString MODEL_WILDCARD;
+	for (auto file_type : file_types)
+		MODEL_WILDCARD += vec_FILE_WILDCARDS.at(file_type) + "|";
+
+	auto dlg_title = _(L("Choose one or more files (STL/OBJ/AMF/3MF/PRUSA):"));
+	auto dialog = new wxFileDialog(parent /*? parent : GetTopWindow(g_wxMainFrame)*/, dlg_title, 
+		g_AppConfig->get_last_dir(), "",
+		MODEL_WILDCARD, wxFD_OPEN | wxFD_MULTIPLE | wxFD_FILE_MUST_EXIST);
+	if (dialog->ShowModal() != wxID_OK) {
+		dialog->Destroy();
+		return nullptr;
+	}
+	wxArrayString input_files;
+	dialog->GetPaths(input_files);
+	dialog->Destroy();
+	return &input_files;
+}
+
 // This is called when closing the application, when loading a config file or when starting the config wizard
 // to notify the user whether he is aware that some preset changes will be lost.
 bool check_unsaved_changes()
@@ -985,6 +1007,18 @@ wxBoxSizer* content_edit_object_buttons(wxWindow* win)
 		m_objects_ctrl->Select(m_objects_model->AddChild(item, name));
 	});
 
+	btn_load_modifier->Bind(wxEVT_BUTTON, [win](wxEvent&)
+	{
+		on_btn_load(win, true);
+// 		auto item = m_objects_ctrl->GetSelection();
+// 		if (!item) return;
+// 		if (m_objects_model->GetParent(item) != wxDataViewItem(0))
+// 			item = m_objects_model->GetParent(item);
+// 		if (!item) return;
+// 		wxString name = "Part";
+// 		m_objects_ctrl->Select(m_objects_model->AddChild(item, name));
+	});
+
 	btn_delete->Bind(wxEVT_BUTTON, [](wxEvent&)
 	{
 		auto item = m_objects_ctrl->GetSelection();
diff --git a/xs/src/slic3r/GUI/GUI.hpp b/xs/src/slic3r/GUI/GUI.hpp
index 6e975f953a..22b41fb201 100644
--- a/xs/src/slic3r/GUI/GUI.hpp
+++ b/xs/src/slic3r/GUI/GUI.hpp
@@ -124,6 +124,8 @@ void set_label_clr_sys(const wxColour& clr);
 const wxFont& small_font();
 const wxFont& bold_font();
 
+wxArrayString* open_model(wxWindow *parent);
+
 extern void add_menus(wxMenuBar *menu, int event_preferences_changed, int event_language_change);
 
 // This is called when closing the application, when loading a config file or when starting the config wizard
diff --git a/xs/src/slic3r/GUI/GUI_ObjectParts.cpp b/xs/src/slic3r/GUI/GUI_ObjectParts.cpp
new file mode 100644
index 0000000000..a5abf2af60
--- /dev/null
+++ b/xs/src/slic3r/GUI/GUI_ObjectParts.cpp
@@ -0,0 +1,43 @@
+#include "GUI.hpp"
+#include "GUI_ObjectParts.hpp"
+
+#include <wx/msgdlg.h>
+
+namespace Slic3r
+{
+namespace GUI
+{
+void on_btn_load(wxWindow* parent, bool is_modifier /*= false*/)
+{
+	auto input_files = open_model(parent);
+// 	for(auto input_file : input_files) {
+// 		my $model = eval{ Slic3r::Model->read_from_file($input_file) };
+// 		if ($@) {
+// 			Slic3r::GUI::show_error($self, $@);
+// 			next;
+// 		}
+
+// 		foreach my $object(@{$model->objects}) {
+// 			foreach my $volume(@{$object->volumes}) {
+// 				my $new_volume = $self->{model_object}->add_volume($volume);
+// 				$new_volume->set_modifier($is_modifier);
+// 				$new_volume->set_name(basename($input_file));
+// 
+// 				# apply the same translation we applied to the object
+// 				$new_volume->mesh->translate(@{$self->{model_object}->origin_translation});
+// 
+// 				# set a default extruder value, since user can't add it manually
+// 				$new_volume->config->set_ifndef('extruder', 0);
+// 
+// 				$self->{parts_changed} = 1;
+// 			}
+// 		}
+// 	}
+
+	parts_changed();
+}
+
+void parts_changed(){ ; }
+
+} //namespace GUI
+} //namespace Slic3r 
\ No newline at end of file
diff --git a/xs/src/slic3r/GUI/GUI_ObjectParts.hpp b/xs/src/slic3r/GUI/GUI_ObjectParts.hpp
new file mode 100644
index 0000000000..ffbda35bfa
--- /dev/null
+++ b/xs/src/slic3r/GUI/GUI_ObjectParts.hpp
@@ -0,0 +1,12 @@
+#ifndef slic3r_GUI_ObjectParts_hpp_
+#define slic3r_GUI_ObjectParts_hpp_
+
+namespace Slic3r
+{
+namespace GUI
+{
+void on_btn_load(wxWindow* parent, bool is_modifier = false);
+void parts_changed();		
+} //namespace GUI
+} //namespace Slic3r 
+#endif  //slic3r_GUI_ObjectParts_hpp_
\ No newline at end of file