diff --git a/lib/Slic3r/GUI/Plater.pm b/lib/Slic3r/GUI/Plater.pm
index d44a4d393..82249bfd4 100644
--- a/lib/Slic3r/GUI/Plater.pm
+++ b/lib/Slic3r/GUI/Plater.pm
@@ -126,7 +126,8 @@ sub new {
         Slic3r::GUI::_3DScene::register_on_scale_object_uniformly_callback($self->{canvas3D}, sub { $self->changescale(undef) });
         Slic3r::GUI::_3DScene::register_on_increase_objects_callback($self->{canvas3D}, sub { $self->increase() });
         Slic3r::GUI::_3DScene::register_on_decrease_objects_callback($self->{canvas3D}, sub { $self->decrease() });
-        Slic3r::GUI::_3DScene::register_on_remove_object_callback($self->{canvas3D}, sub { $self->remove() });        
+        Slic3r::GUI::_3DScene::register_on_remove_object_callback($self->{canvas3D}, sub { $self->remove() });
+        Slic3r::GUI::_3DScene::register_on_instance_moved_callback($self->{canvas3D}, $on_instances_moved);
 #        $self->{canvas3D}->set_on_double_click($on_double_click);
 #        $self->{canvas3D}->set_on_right_click(sub { $on_right_click->($self->{canvas3D}, @_); });
 #        $self->{canvas3D}->set_on_arrange(sub { $self->arrange });
@@ -136,21 +137,29 @@ sub new {
 #        $self->{canvas3D}->set_on_increase_objects(sub { $self->increase() });
 #        $self->{canvas3D}->set_on_decrease_objects(sub { $self->decrease() });
 #        $self->{canvas3D}->set_on_remove_object(sub { $self->remove() });
+#        $self->{canvas3D}->set_on_instances_moved($on_instances_moved);
 #==============================================================================================================================
-        $self->{canvas3D}->set_on_instances_moved($on_instances_moved);
         $self->{canvas3D}->set_on_enable_action_buttons($enable_action_buttons);
 #===================================================================================================================================        
         Slic3r::GUI::_3DScene::enable_shader($self->{canvas3D}, 1);
         Slic3r::GUI::_3DScene::enable_force_zoom_to_bed($self->{canvas3D}, 1);
 #        $self->{canvas3D}->use_plain_shader(1);
 #===================================================================================================================================        
-        $self->{canvas3D}->set_on_wipe_tower_moved(sub {
-            my ($new_pos_3f) = @_;
+        Slic3r::GUI::_3DScene::register_on_wipe_tower_moved_callback($self->{canvas3D}, sub {
+            my ($x, $y) = @_;
             my $cfg = Slic3r::Config->new;
-            $cfg->set('wipe_tower_x', $new_pos_3f->x);
-            $cfg->set('wipe_tower_y', $new_pos_3f->y);
+            $cfg->set('wipe_tower_x', $x);
+            $cfg->set('wipe_tower_y', $y);
             $self->GetFrame->{options_tabs}{print}->load_config($cfg);
         });
+
+#        $self->{canvas3D}->set_on_wipe_tower_moved(sub {
+#            my ($new_pos_3f) = @_;
+#            my $cfg = Slic3r::Config->new;
+#            $cfg->set('wipe_tower_x', $new_pos_3f->x);
+#            $cfg->set('wipe_tower_y', $new_pos_3f->y);
+#            $self->GetFrame->{options_tabs}{print}->load_config($cfg);
+#        });
 #==============================================================================================================================
         Slic3r::GUI::_3DScene::register_on_model_update_callback($self->{canvas3D}, sub {
             if (wxTheApp->{app_config}->get("background_processing")) {
diff --git a/lib/Slic3r/GUI/Plater/3D.pm b/lib/Slic3r/GUI/Plater/3D.pm
index da3bfc617..28bc6490c 100644
--- a/lib/Slic3r/GUI/Plater/3D.pm
+++ b/lib/Slic3r/GUI/Plater/3D.pm
@@ -13,9 +13,7 @@ use base qw(Slic3r::GUI::3DScene Class::Accessor);
 use Wx::Locale gettext => 'L';
 
 #==============================================================================================================================
-__PACKAGE__->mk_accessors(qw(
-    on_rotate_object_left on_rotate_object_right on_scale_object_uniformly
-    on_remove_object on_increase_objects on_decrease_objects on_enable_action_buttons));
+__PACKAGE__->mk_accessors(qw(on_enable_action_buttons));
 #__PACKAGE__->mk_accessors(qw(
 #    on_arrange on_rotate_object_left on_rotate_object_right on_scale_object_uniformly
 #    on_remove_object on_increase_objects on_decrease_objects on_enable_action_buttons));
@@ -44,12 +42,15 @@ sub new {
 #==============================================================================================================================
     $self->{config}             = $config;
 #==============================================================================================================================
+    Slic3r::GUI::_3DScene::set_model($self, $model);
     Slic3r::GUI::_3DScene::set_print($self, $print);
     Slic3r::GUI::_3DScene::set_config($self, $config);
 #==============================================================================================================================
     $self->{on_select_object}   = sub {};
-    $self->{on_instances_moved} = sub {};
-    $self->{on_wipe_tower_moved} = sub {};
+#==============================================================================================================================
+#    $self->{on_instances_moved} = sub {};
+#    $self->{on_wipe_tower_moved} = sub {};
+#==============================================================================================================================
 
     $self->{objects_volumes_idxs} = [];
         
@@ -64,44 +65,39 @@ sub new {
 #        $self->{on_select_object}->(($volume_idx == -1) ? undef : $self->volumes->[$volume_idx]->object_idx)
 #            if ($self->{on_select_object});
 #    });
-#==============================================================================================================================
-
-#==============================================================================================================================
-    Slic3r::GUI::_3DScene::register_on_move_callback($self, sub {
+#
 #    $self->on_move(sub {
-#==============================================================================================================================
-        my @volume_idxs = @_;
-        my %done = ();  # prevent moving instances twice
-        my $object_moved;
-        my $wipe_tower_moved;
-        foreach my $volume_idx (@volume_idxs) {
-            my $volume = $self->volumes->[$volume_idx];
-            my $obj_idx = $volume->object_idx;
-            my $instance_idx = $volume->instance_idx;
-            next if $done{"${obj_idx}_${instance_idx}"};
-            $done{"${obj_idx}_${instance_idx}"} = 1;
-            if ($obj_idx < 1000) {
-                # Move a regular object.
-                my $model_object = $self->{model}->get_object($obj_idx);
-                $model_object
-                    ->instances->[$instance_idx]
-                    ->offset
-                    ->translate($volume->origin->x, $volume->origin->y); #))
-                $model_object->invalidate_bounding_box;
-                $object_moved = 1;
-            } elsif ($obj_idx == 1000) {
-                # Move a wipe tower proxy.
-                $wipe_tower_moved = $volume->origin;
-            }
-        }
-        
-        $self->{on_instances_moved}->()
-            if $object_moved && $self->{on_instances_moved};
-        $self->{on_wipe_tower_moved}->($wipe_tower_moved)
-            if $wipe_tower_moved && $self->{on_wipe_tower_moved};
-    });
-
-#==============================================================================================================================
+#        my @volume_idxs = @_;
+#        my %done = ();  # prevent moving instances twice
+#        my $object_moved;
+#        my $wipe_tower_moved;
+#        foreach my $volume_idx (@volume_idxs) {
+#            my $volume = $self->volumes->[$volume_idx];
+#            my $obj_idx = $volume->object_idx;
+#            my $instance_idx = $volume->instance_idx;
+#            next if $done{"${obj_idx}_${instance_idx}"};
+#            $done{"${obj_idx}_${instance_idx}"} = 1;
+#            if ($obj_idx < 1000) {
+#                # Move a regular object.
+#                my $model_object = $self->{model}->get_object($obj_idx);
+#                $model_object
+#                    ->instances->[$instance_idx]
+#                    ->offset
+#                    ->translate($volume->origin->x, $volume->origin->y); #))
+#                $model_object->invalidate_bounding_box;
+#                $object_moved = 1;
+#            } elsif ($obj_idx == 1000) {
+#                # Move a wipe tower proxy.
+#                $wipe_tower_moved = $volume->origin;
+#            }
+#        }
+#        
+#        $self->{on_instances_moved}->()
+#            if $object_moved && $self->{on_instances_moved};
+#        $self->{on_wipe_tower_moved}->($wipe_tower_moved)
+#            if $wipe_tower_moved && $self->{on_wipe_tower_moved};
+#    });
+#
 #    EVT_KEY_DOWN($self, sub {
 #        my ($s, $event) = @_;
 #        if ($event->HasModifiers) {
@@ -194,19 +190,17 @@ sub set_on_select_object {
 #    my ($self, $cb) = @_;
 #    $self->on_remove_object($cb);
 #}
-#==============================================================================================================================
-
-sub set_on_instances_moved {
-    my ($self, $cb) = @_;
-    $self->{on_instances_moved} = $cb;
-}
-
-sub set_on_wipe_tower_moved {
-    my ($self, $cb) = @_;
-    $self->{on_wipe_tower_moved} = $cb;
-}
-
-#==============================================================================================================================
+#
+#sub set_on_instances_moved {
+#    my ($self, $cb) = @_;
+#    $self->{on_instances_moved} = $cb;
+#}
+#
+#sub set_on_wipe_tower_moved {
+#    my ($self, $cb) = @_;
+#    $self->{on_wipe_tower_moved} = $cb;
+#}
+#
 #sub set_on_model_update {
 #    my ($self, $cb) = @_;
 #    $self->on_model_update($cb);
@@ -216,6 +210,9 @@ sub set_on_wipe_tower_moved {
 sub set_on_enable_action_buttons {
     my ($self, $cb) = @_;
     $self->on_enable_action_buttons($cb);
+#==============================================================================================================================
+    Slic3r::GUI::_3DScene::register_on_enable_action_buttons_callback($self, $cb);
+#==============================================================================================================================
 }
 
 sub update_volumes_selection {
diff --git a/xs/src/libslic3r/Utils.hpp b/xs/src/libslic3r/Utils.hpp
index 45e83b1b8..913f91ccf 100644
--- a/xs/src/libslic3r/Utils.hpp
+++ b/xs/src/libslic3r/Utils.hpp
@@ -96,6 +96,7 @@ public:
     void call(int i) const;
     void call(int i, int j) const;
     void call(const std::vector<int>& ints) const;
+    void call(double x, double y) const;
 //    void call();
 //    void call(int i);
 //    void call(int i, int j);
diff --git a/xs/src/libslic3r/utils.cpp b/xs/src/libslic3r/utils.cpp
index 883f5e753..017e2f1b3 100644
--- a/xs/src/libslic3r/utils.cpp
+++ b/xs/src/libslic3r/utils.cpp
@@ -266,6 +266,24 @@ void PerlCallback::call(const std::vector<int>& ints) const
     LEAVE;
 }
 
+//##############################################################################################################
+void PerlCallback::call(double x, double y) const
+{
+    if (!m_callback)
+        return;
+    dSP;
+    ENTER;
+    SAVETMPS;
+    PUSHMARK(SP);
+    XPUSHs(sv_2mortal(newSVnv(x)));
+    XPUSHs(sv_2mortal(newSVnv(y)));
+    PUTBACK;
+    perl_call_sv(SvRV((SV*)m_callback), G_DISCARD);
+    FREETMPS;
+    LEAVE;
+}
+//##############################################################################################################
+
 #ifdef WIN32
     #ifndef NOMINMAX
     # define NOMINMAX
diff --git a/xs/src/slic3r/GUI/3DScene.cpp b/xs/src/slic3r/GUI/3DScene.cpp
index 79d4cba25..2d341996e 100644
--- a/xs/src/slic3r/GUI/3DScene.cpp
+++ b/xs/src/slic3r/GUI/3DScene.cpp
@@ -1832,6 +1832,11 @@ void _3DScene::set_print(wxGLCanvas* canvas, Print* print)
     s_canvas_mgr.set_print(canvas, print);
 }
 
+void _3DScene::set_model(wxGLCanvas* canvas, Model* model)
+{
+    s_canvas_mgr.set_model(canvas, model);
+}
+
 void _3DScene::set_bed_shape(wxGLCanvas* canvas, const Pointfs& shape)
 {
     return s_canvas_mgr.set_bed_shape(canvas, shape);
@@ -1992,11 +1997,6 @@ void _3DScene::register_on_model_update_callback(wxGLCanvas* canvas, void* callb
     s_canvas_mgr.register_on_model_update_callback(canvas, callback);
 }
 
-void _3DScene::register_on_move_callback(wxGLCanvas* canvas, void* callback)
-{
-    s_canvas_mgr.register_on_move_callback(canvas, callback);
-}
-
 void _3DScene::register_on_remove_object_callback(wxGLCanvas* canvas, void* callback)
 {
     s_canvas_mgr.register_on_remove_object_callback(canvas, callback);
@@ -2032,6 +2032,21 @@ void _3DScene::register_on_decrease_objects_callback(wxGLCanvas* canvas, void* c
     s_canvas_mgr.register_on_decrease_objects_callback(canvas, callback);
 }
 
+void _3DScene::register_on_instance_moved_callback(wxGLCanvas* canvas, void* callback)
+{
+    s_canvas_mgr.register_on_instance_moved_callback(canvas, callback);
+}
+
+void _3DScene::register_on_wipe_tower_moved_callback(wxGLCanvas* canvas, void* callback)
+{
+    s_canvas_mgr.register_on_wipe_tower_moved_callback(canvas, callback);
+}
+
+void _3DScene::register_on_enable_action_buttons_callback(wxGLCanvas* canvas, void* callback)
+{
+    s_canvas_mgr.register_on_enable_action_buttons_callback(canvas, callback);
+}
+
 //void _3DScene::_glew_init()
 //{ 
 //    glewInit();
diff --git a/xs/src/slic3r/GUI/3DScene.hpp b/xs/src/slic3r/GUI/3DScene.hpp
index 38cb82ccb..7c4d8b3e9 100644
--- a/xs/src/slic3r/GUI/3DScene.hpp
+++ b/xs/src/slic3r/GUI/3DScene.hpp
@@ -565,6 +565,7 @@ public:
 
     static void set_config(wxGLCanvas* canvas, DynamicPrintConfig* config);
     static void set_print(wxGLCanvas* canvas, Print* print);
+    static void set_model(wxGLCanvas* canvas, Model* model);
 
     static void set_bed_shape(wxGLCanvas* canvas, const Pointfs& shape);
     static void set_auto_bed_shape(wxGLCanvas* canvas);
@@ -609,7 +610,6 @@ public:
     static void register_on_right_click_callback(wxGLCanvas* canvas, void* callback);
     static void register_on_select_callback(wxGLCanvas* canvas, void* callback);
     static void register_on_model_update_callback(wxGLCanvas* canvas, void* callback);
-    static void register_on_move_callback(wxGLCanvas* canvas, void* callback);
     static void register_on_remove_object_callback(wxGLCanvas* canvas, void* callback);
     static void register_on_arrange_callback(wxGLCanvas* canvas, void* callback);
     static void register_on_rotate_object_left_callback(wxGLCanvas* canvas, void* callback);
@@ -617,6 +617,9 @@ public:
     static void register_on_scale_object_uniformly_callback(wxGLCanvas* canvas, void* callback);
     static void register_on_increase_objects_callback(wxGLCanvas* canvas, void* callback);
     static void register_on_decrease_objects_callback(wxGLCanvas* canvas, void* callback);
+    static void register_on_instance_moved_callback(wxGLCanvas* canvas, void* callback);
+    static void register_on_wipe_tower_moved_callback(wxGLCanvas* canvas, void* callback);
+    static void register_on_enable_action_buttons_callback(wxGLCanvas* canvas, void* callback);
 
 //    static void _glew_init();
 //##################################################################################################################
diff --git a/xs/src/slic3r/GUI/GLCanvas3D.cpp b/xs/src/slic3r/GUI/GLCanvas3D.cpp
index d0baa6563..f969e1d46 100644
--- a/xs/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/xs/src/slic3r/GUI/GLCanvas3D.cpp
@@ -947,6 +947,7 @@ GLCanvas3D::GLCanvas3D(wxGLCanvas* canvas, wxGLContext* context)
     , m_volumes(nullptr)
     , m_config(nullptr)
     , m_print(nullptr)
+    , m_model(nullptr)
     , m_dirty(true)
     , m_initialized(false)
     , m_use_VBOs(false)
@@ -1116,6 +1117,11 @@ void GLCanvas3D::set_print(Print* print)
     m_print = print;
 }
 
+void GLCanvas3D::set_model(Model* model)
+{
+    m_model = model;
+}
+
 void GLCanvas3D::set_bed_shape(const Pointfs& shape)
 {
     m_bed.set_shape(shape);
@@ -1836,12 +1842,6 @@ void GLCanvas3D::register_on_model_update_callback(void* callback)
         m_on_model_update_callback.register_callback(callback);
 }
 
-void GLCanvas3D::register_on_move_callback(void* callback)
-{
-    if (callback != nullptr)
-        m_on_move_callback.register_callback(callback);
-}
-
 void GLCanvas3D::register_on_remove_object_callback(void* callback)
 {
     if (callback != nullptr)
@@ -1884,6 +1884,24 @@ void GLCanvas3D::register_on_decrease_objects_callback(void* callback)
         m_on_decrease_objects_callback.register_callback(callback);
 }
 
+void GLCanvas3D::register_on_instance_moved_callback(void* callback)
+{
+    if (callback != nullptr)
+        m_on_instance_moved_callback.register_callback(callback);
+}
+
+void GLCanvas3D::register_on_wipe_tower_moved_callback(void* callback)
+{
+    if (callback != nullptr)
+        m_on_wipe_tower_moved_callback.register_callback(callback);
+}
+
+void GLCanvas3D::register_on_enable_action_buttons_callback(void* callback)
+{
+    if (callback != nullptr)
+        m_on_enable_action_buttons_callback.register_callback(callback);
+}
+
 void GLCanvas3D::bind_event_handlers()
 {
     if (m_canvas != nullptr)
@@ -2283,7 +2301,7 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
                 }
             }
             
-            m_on_move_callback.call(volume_idxs);
+            _on_move(volume_idxs);
         }
         
         m_mouse.drag.volume_idx = -1;
@@ -2511,7 +2529,6 @@ void GLCanvas3D::_deregister_callbacks()
     m_on_right_click_callback.deregister_callback();
     m_on_select_callback.deregister_callback();
     m_on_model_update_callback.deregister_callback();
-    m_on_move_callback.deregister_callback();
     m_on_remove_object_callback.deregister_callback();
     m_on_arrange_callback.deregister_callback();
     m_on_rotate_object_left_callback.deregister_callback();
@@ -2519,6 +2536,9 @@ void GLCanvas3D::_deregister_callbacks()
     m_on_scale_object_uniformly_callback.deregister_callback();
     m_on_increase_objects_callback.deregister_callback();
     m_on_decrease_objects_callback.deregister_callback();
+    m_on_instance_moved_callback.deregister_callback();
+    m_on_wipe_tower_moved_callback.deregister_callback();
+    m_on_enable_action_buttons_callback.deregister_callback();
 }
 
 void GLCanvas3D::_mark_volumes_for_layer_height() const
@@ -3543,6 +3563,48 @@ void GLCanvas3D::_update_gcode_volumes_visibility(const GCodePreviewData& previe
     }
 }
 
+void GLCanvas3D::_on_move(const std::vector<int>& volume_idxs)
+{
+    if ((m_model == nullptr) || (m_volumes == nullptr))
+        return;
+
+    std::set<std::string> done;  // prevent moving instances twice
+    bool object_moved = false;
+    Pointf3 wipe_tower_origin(0.0, 0.0, 0.0);
+    for (int volume_idx : volume_idxs)
+    {
+        GLVolume* volume = m_volumes->volumes[volume_idx];
+        int obj_idx = volume->object_idx();
+        int instance_idx = volume->instance_idx();
+
+        // prevent moving instances twice
+        char done_id[64];
+        ::sprintf(done_id, "%d_%d", obj_idx, instance_idx);
+        if (done.find(done_id) != done.end())
+            continue;
+
+        done.insert(done_id);
+
+        if (obj_idx < 1000)
+        {
+            // Move a regular object.
+            ModelObject* model_object = m_model->objects[obj_idx];
+            model_object->instances[instance_idx]->offset.translate(volume->origin.x, volume->origin.y);
+            model_object->invalidate_bounding_box();
+            object_moved = true;
+        }
+        else if (obj_idx == 1000)
+            // Move a wipe tower proxy.
+            wipe_tower_origin = volume->origin;
+    }
+
+    if (object_moved)
+        m_on_instance_moved_callback.call();
+
+    if (wipe_tower_origin != Pointf3(0.0, 0.0, 0.0))
+        m_on_wipe_tower_moved_callback.call(wipe_tower_origin.x, wipe_tower_origin.y);
+}
+
 std::vector<float> GLCanvas3D::_parse_colors(const std::vector<std::string>& colors)
 {
     std::vector<float> output(colors.size() * 4, 1.0f);
diff --git a/xs/src/slic3r/GUI/GLCanvas3D.hpp b/xs/src/slic3r/GUI/GLCanvas3D.hpp
index dde51a277..e18b80345 100644
--- a/xs/src/slic3r/GUI/GLCanvas3D.hpp
+++ b/xs/src/slic3r/GUI/GLCanvas3D.hpp
@@ -330,6 +330,7 @@ private:
     GLVolumeCollection* m_volumes;
     DynamicPrintConfig* m_config;
     Print* m_print;
+    Model* m_model;
 
     bool m_dirty;
     bool m_initialized;
@@ -355,7 +356,6 @@ private:
     PerlCallback m_on_right_click_callback;
     PerlCallback m_on_select_callback;
     PerlCallback m_on_model_update_callback;
-    PerlCallback m_on_move_callback;
     PerlCallback m_on_remove_object_callback;
     PerlCallback m_on_arrange_callback;
     PerlCallback m_on_rotate_object_left_callback;
@@ -363,6 +363,9 @@ private:
     PerlCallback m_on_scale_object_uniformly_callback;
     PerlCallback m_on_increase_objects_callback;
     PerlCallback m_on_decrease_objects_callback;
+    PerlCallback m_on_instance_moved_callback;
+    PerlCallback m_on_wipe_tower_moved_callback;
+    PerlCallback m_on_enable_action_buttons_callback;
 
 public:
     GLCanvas3D(wxGLCanvas* canvas, wxGLContext* context);
@@ -381,6 +384,7 @@ public:
 
     void set_config(DynamicPrintConfig* config);
     void set_print(Print* print);
+    void set_model(Model* model);
 
     // Set the bed shape to a single closed 2D polygon(array of two element arrays),
     // triangulate the bed and store the triangles into m_bed.m_triangles,
@@ -447,7 +451,6 @@ public:
     void register_on_right_click_callback(void* callback);
     void register_on_select_callback(void* callback);
     void register_on_model_update_callback(void* callback);
-    void register_on_move_callback(void* callback);
     void register_on_remove_object_callback(void* callback);
     void register_on_arrange_callback(void* callback);
     void register_on_rotate_object_left_callback(void* callback);
@@ -455,6 +458,9 @@ public:
     void register_on_scale_object_uniformly_callback(void* callback);
     void register_on_increase_objects_callback(void* callback);
     void register_on_decrease_objects_callback(void* callback);
+    void register_on_instance_moved_callback(void* callback);
+    void register_on_wipe_tower_moved_callback(void* callback);
+    void register_on_enable_action_buttons_callback(void* callback);
 
     void bind_event_handlers();
     void unbind_event_handlers();
@@ -528,6 +534,8 @@ private:
     // sets gcode geometry visibility according to user selection
     void _update_gcode_volumes_visibility(const GCodePreviewData& preview_data);
 
+    void _on_move(const std::vector<int>& volume_idxs);
+
     static std::vector<float> _parse_colors(const std::vector<std::string>& colors);
 };
 
diff --git a/xs/src/slic3r/GUI/GLCanvas3DManager.cpp b/xs/src/slic3r/GUI/GLCanvas3DManager.cpp
index a957d8b9a..34d62927a 100644
--- a/xs/src/slic3r/GUI/GLCanvas3DManager.cpp
+++ b/xs/src/slic3r/GUI/GLCanvas3DManager.cpp
@@ -268,6 +268,13 @@ void GLCanvas3DManager::set_print(wxGLCanvas* canvas, Print* print)
         it->second->set_print(print);
 }
 
+void GLCanvas3DManager::set_model(wxGLCanvas* canvas, Model* model)
+{
+    CanvasesMap::iterator it = _get_canvas(canvas);
+    if (it != m_canvases.end())
+        it->second->set_model(model);
+}
+
 void GLCanvas3DManager::set_bed_shape(wxGLCanvas* canvas, const Pointfs& shape)
 {
     CanvasesMap::iterator it = _get_canvas(canvas);
@@ -543,13 +550,6 @@ void GLCanvas3DManager::register_on_model_update_callback(wxGLCanvas* canvas, vo
         it->second->register_on_model_update_callback(callback);
 }
 
-void GLCanvas3DManager::register_on_move_callback(wxGLCanvas* canvas, void* callback)
-{
-    CanvasesMap::iterator it = _get_canvas(canvas);
-    if (it != m_canvases.end())
-        it->second->register_on_move_callback(callback);
-}
-
 void GLCanvas3DManager::register_on_remove_object_callback(wxGLCanvas* canvas, void* callback)
 {
     CanvasesMap::iterator it = _get_canvas(canvas);
@@ -599,6 +599,27 @@ void GLCanvas3DManager::register_on_decrease_objects_callback(wxGLCanvas* canvas
         it->second->register_on_decrease_objects_callback(callback);
 }
 
+void GLCanvas3DManager::register_on_instance_moved_callback(wxGLCanvas* canvas, void* callback)
+{
+    CanvasesMap::iterator it = _get_canvas(canvas);
+    if (it != m_canvases.end())
+        it->second->register_on_instance_moved_callback(callback);
+}
+
+void GLCanvas3DManager::register_on_wipe_tower_moved_callback(wxGLCanvas* canvas, void* callback)
+{
+    CanvasesMap::iterator it = _get_canvas(canvas);
+    if (it != m_canvases.end())
+        it->second->register_on_wipe_tower_moved_callback(callback);
+}
+
+void GLCanvas3DManager::register_on_enable_action_buttons_callback(wxGLCanvas* canvas, void* callback)
+{
+    CanvasesMap::iterator it = _get_canvas(canvas);
+    if (it != m_canvases.end())
+        it->second->register_on_enable_action_buttons_callback(callback);
+}
+
 GLCanvas3DManager::CanvasesMap::iterator GLCanvas3DManager::_get_canvas(wxGLCanvas* canvas)
 {
     return (canvas == nullptr) ? m_canvases.end() : m_canvases.find(canvas);
diff --git a/xs/src/slic3r/GUI/GLCanvas3DManager.hpp b/xs/src/slic3r/GUI/GLCanvas3DManager.hpp
index 50d282cc9..f012b7703 100644
--- a/xs/src/slic3r/GUI/GLCanvas3DManager.hpp
+++ b/xs/src/slic3r/GUI/GLCanvas3DManager.hpp
@@ -60,6 +60,7 @@ public:
 
     void set_config(wxGLCanvas* canvas, DynamicPrintConfig* config);
     void set_print(wxGLCanvas* canvas, Print* print);
+    void set_model(wxGLCanvas* canvas, Model* model);
 
     void set_bed_shape(wxGLCanvas* canvas, const Pointfs& shape);
     void set_auto_bed_shape(wxGLCanvas* canvas);
@@ -112,7 +113,6 @@ public:
     void register_on_right_click_callback(wxGLCanvas* canvas, void* callback);
     void register_on_select_callback(wxGLCanvas* canvas, void* callback);
     void register_on_model_update_callback(wxGLCanvas* canvas, void* callback);
-    void register_on_move_callback(wxGLCanvas* canvas, void* callback);
     void register_on_remove_object_callback(wxGLCanvas* canvas, void* callback);
     void register_on_arrange_callback(wxGLCanvas* canvas, void* callback);
     void register_on_rotate_object_left_callback(wxGLCanvas* canvas, void* callback);
@@ -120,6 +120,9 @@ public:
     void register_on_scale_object_uniformly_callback(wxGLCanvas* canvas, void* callback);
     void register_on_increase_objects_callback(wxGLCanvas* canvas, void* callback);
     void register_on_decrease_objects_callback(wxGLCanvas* canvas, void* callback);
+    void register_on_instance_moved_callback(wxGLCanvas* canvas, void* callback);
+    void register_on_wipe_tower_moved_callback(wxGLCanvas* canvas, void* callback);
+    void register_on_enable_action_buttons_callback(wxGLCanvas* canvas, void* callback);
 
 private:
     CanvasesMap::iterator _get_canvas(wxGLCanvas* canvas);
diff --git a/xs/xsp/GUI_3DScene.xsp b/xs/xsp/GUI_3DScene.xsp
index b70d49b76..0635cea31 100644
--- a/xs/xsp/GUI_3DScene.xsp
+++ b/xs/xsp/GUI_3DScene.xsp
@@ -239,6 +239,13 @@ set_print(canvas, print)
     CODE:
         _3DScene::set_print((wxGLCanvas*)wxPli_sv_2_object(aTHX_ canvas, "Wx::GLCanvas"), print);
 
+void
+set_model(canvas, model)
+        SV    *canvas;
+        Model *model;
+    CODE:
+        _3DScene::set_model((wxGLCanvas*)wxPli_sv_2_object(aTHX_ canvas, "Wx::GLCanvas"), model);
+
 void
 set_bed_shape(canvas, shape)
         SV      *canvas;
@@ -466,13 +473,6 @@ register_on_model_update_callback(canvas, callback)
     CODE:
         _3DScene::register_on_model_update_callback((wxGLCanvas*)wxPli_sv_2_object(aTHX_ canvas, "Wx::GLCanvas"), (void*)callback);
 
-void
-register_on_move_callback(canvas, callback)
-        SV *canvas;
-        SV *callback;
-    CODE:
-        _3DScene::register_on_move_callback((wxGLCanvas*)wxPli_sv_2_object(aTHX_ canvas, "Wx::GLCanvas"), (void*)callback);
-
 void
 register_on_remove_object_callback(canvas, callback)
         SV *canvas;
@@ -522,6 +522,27 @@ register_on_decrease_objects_callback(canvas, callback)
     CODE:
         _3DScene::register_on_decrease_objects_callback((wxGLCanvas*)wxPli_sv_2_object(aTHX_ canvas, "Wx::GLCanvas"), (void*)callback);
 
+void
+register_on_instance_moved_callback(canvas, callback)
+        SV *canvas;
+        SV *callback;
+    CODE:
+        _3DScene::register_on_instance_moved_callback((wxGLCanvas*)wxPli_sv_2_object(aTHX_ canvas, "Wx::GLCanvas"), (void*)callback);
+
+void
+register_on_wipe_tower_moved_callback(canvas, callback)
+        SV *canvas;
+        SV *callback;
+    CODE:
+        _3DScene::register_on_wipe_tower_moved_callback((wxGLCanvas*)wxPli_sv_2_object(aTHX_ canvas, "Wx::GLCanvas"), (void*)callback);
+
+void
+register_on_enable_action_buttons_callback(canvas, callback)
+        SV *canvas;
+        SV *callback;
+    CODE:
+        _3DScene::register_on_enable_action_buttons_callback((wxGLCanvas*)wxPli_sv_2_object(aTHX_ canvas, "Wx::GLCanvas"), (void*)callback);
+
 unsigned int
 finalize_legend_texture()
     CODE: