diff --git a/resources/icons/info.png b/resources/icons/info.png
new file mode 100644
index 0000000000..9eeee9b3cd
Binary files /dev/null and b/resources/icons/info.png differ
diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index 7bbdc72b11..2149f21e7c 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -508,6 +508,7 @@ void GLCanvas3D::LayersEditing::reset_layer_height_profile(GLCanvas3D& canvas)
     m_layer_height_profile.clear();
     m_layers_texture.valid = false;
     canvas.post_event(SimpleEvent(EVT_GLCANVAS_SCHEDULE_BACKGROUND_PROCESS));
+    wxGetApp().obj_list()->update_info_items(last_object_id);
 }
 
 void GLCanvas3D::LayersEditing::adaptive_layer_height_profile(GLCanvas3D& canvas, float quality_factor)
@@ -517,6 +518,7 @@ void GLCanvas3D::LayersEditing::adaptive_layer_height_profile(GLCanvas3D& canvas
     const_cast<ModelObject*>(m_model_object)->layer_height_profile.set(m_layer_height_profile);
     m_layers_texture.valid = false;
     canvas.post_event(SimpleEvent(EVT_GLCANVAS_SCHEDULE_BACKGROUND_PROCESS));
+    wxGetApp().obj_list()->update_info_items(last_object_id);
 }
 
 void GLCanvas3D::LayersEditing::smooth_layer_height_profile(GLCanvas3D& canvas, const HeightProfileSmoothingParams& smoothing_params)
@@ -526,6 +528,7 @@ void GLCanvas3D::LayersEditing::smooth_layer_height_profile(GLCanvas3D& canvas,
     const_cast<ModelObject*>(m_model_object)->layer_height_profile.set(m_layer_height_profile);
     m_layers_texture.valid = false;
     canvas.post_event(SimpleEvent(EVT_GLCANVAS_SCHEDULE_BACKGROUND_PROCESS));
+    wxGetApp().obj_list()->update_info_items(last_object_id);
 }
 
 void GLCanvas3D::LayersEditing::generate_layer_height_texture()
@@ -565,6 +568,7 @@ void GLCanvas3D::LayersEditing::accept_changes(GLCanvas3D& canvas)
             wxGetApp().plater()->take_snapshot(_(L("Variable layer height - Manual edit")));
             const_cast<ModelObject*>(m_model_object)->layer_height_profile.set(m_layer_height_profile);
 			canvas.post_event(SimpleEvent(EVT_GLCANVAS_SCHEDULE_BACKGROUND_PROCESS));
+            wxGetApp().obj_list()->update_info_items(last_object_id);
         }
     }
     m_layer_height_profile_modified = false;
diff --git a/src/slic3r/GUI/GUI_ObjectList.cpp b/src/slic3r/GUI/GUI_ObjectList.cpp
index 58560c8bd7..15c4578d82 100644
--- a/src/slic3r/GUI/GUI_ObjectList.cpp
+++ b/src/slic3r/GUI/GUI_ObjectList.cpp
@@ -1525,14 +1525,20 @@ void ObjectList::del_subobject_item(wxDataViewItem& item)
     if (type == itUndef)
         return;
 
+    wxDataViewItem parent = m_objects_model->GetParent(item);
+
     if (type & itSettings)
-        del_settings_from_config(m_objects_model->GetParent(item));
+        del_settings_from_config(parent);
     else if (type & itInstanceRoot && obj_idx != -1)
         del_instances_from_object(obj_idx);
     else if (type & itLayerRoot && obj_idx != -1)
         del_layers_from_object(obj_idx);
     else if (type & itLayer && obj_idx != -1)
         del_layer_from_object(obj_idx, m_objects_model->GetLayerRangeByItem(item));
+    else if (type & itInfo && obj_idx != -1) {
+        Unselect(item);
+        Select(parent);
+    }
     else if (idx == -1)
         return;
     else if (!del_subobject_from_object(obj_idx, idx, type))
@@ -1540,9 +1546,10 @@ void ObjectList::del_subobject_item(wxDataViewItem& item)
 
     // If last volume item with warning was deleted, unmark object item
     if (type & itVolume && (*m_objects)[obj_idx]->get_mesh_errors_count() == 0)
-        m_objects_model->DeleteWarningIcon(m_objects_model->GetParent(item));
+        m_objects_model->DeleteWarningIcon(parent);
 
     m_objects_model->Delete(item);
+    update_info_items(obj_idx);
 }
 
 void ObjectList::del_settings_from_config(const wxDataViewItem& parent_item)
@@ -2118,20 +2125,32 @@ void ObjectList::part_selection_changed()
     {
         if (item)
         {
-            if (m_objects_model->GetParent(item) == wxDataViewItem(nullptr)) {
-                obj_idx = m_objects_model->GetIdByItem(item);
+            const ItemType type = m_objects_model->GetItemType(item);
+            const wxDataViewItem parent = m_objects_model->GetParent(item);
+            const ItemType parent_type = m_objects_model->GetItemType(parent);
+            obj_idx = m_objects_model->GetObjectIdByItem(item);
+
+            if (parent == wxDataViewItem(nullptr)
+             || type == itInfo) {
                 og_name = _(L("Object manipulation"));
                 m_config = &(*m_objects)[obj_idx]->config;
                 update_and_show_manipulations = true;
+
+                if (type == itInfo) {
+                    InfoItemType info_type = m_objects_model->GetInfoItemType(item);
+                    if (info_type != InfoItemType::VariableLayerHeight) {
+                        GLGizmosManager::EType gizmo_type =
+                            info_type == InfoItemType::CustomSupports ? GLGizmosManager::EType::FdmSupports
+                                                                      : GLGizmosManager::EType::Seam;
+                        GLGizmosManager& gizmos_mgr = wxGetApp().plater()->canvas3D()->get_gizmos_manager();
+                        if (gizmos_mgr.get_current_type() != gizmo_type)
+                            gizmos_mgr.open_gizmo(gizmo_type);
+                    } else
+                        wxGetApp().plater()->toggle_layers_editing(true);
+                }
             }
             else {
-                obj_idx = m_objects_model->GetObjectIdByItem(item);
-                
-                const ItemType type = m_objects_model->GetItemType(item);
                 if (type & itSettings) {
-                    const auto parent = m_objects_model->GetParent(item);
-                    const ItemType parent_type = m_objects_model->GetItemType(parent);
-
                     if (parent_type & itObject) {
                         og_name = _(L("Object Settings to modify"));
                         m_config = &(*m_objects)[obj_idx]->config;
@@ -2243,6 +2262,52 @@ wxDataViewItem ObjectList::add_settings_item(wxDataViewItem parent_item, const D
     return ret;
 }
 
+
+void ObjectList::update_info_items(size_t obj_idx)
+{
+    const ModelObject* model_object = (*m_objects)[obj_idx];
+    wxDataViewItem item_obj = m_objects_model->GetItemById(obj_idx);
+    assert(item_obj.IsOk());
+
+    for (InfoItemType type : {InfoItemType::CustomSupports,
+                              InfoItemType::CustomSeam,
+                              InfoItemType::VariableLayerHeight}) {
+        wxDataViewItem item = m_objects_model->GetInfoItemByType(item_obj, type);
+        bool shows = item.IsOk();
+        bool should_show = false;
+
+        switch (type) {
+        case InfoItemType::CustomSupports :
+        case InfoItemType::CustomSeam :
+            should_show = printer_technology() == ptFFF
+                       && std::any_of(model_object->volumes.begin(), model_object->volumes.end(),
+                                      [type](const ModelVolume* mv) {
+                                          return ! (type == InfoItemType::CustomSupports
+                                                          ? mv->supported_facets.empty()
+                                                          : mv->seam_facets.empty());
+                                      });
+            break;
+
+        case InfoItemType::VariableLayerHeight :
+            should_show = printer_technology() == ptFFF
+                       && ! model_object->layer_height_profile.empty();
+            break;
+        }
+
+        if (! shows && should_show) {
+            m_objects_model->AddInfoChild(item_obj, type);
+            Expand(item_obj);
+        }
+        else if (shows && ! should_show) {
+            Unselect(item);
+            m_objects_model->Delete(item);
+            Select(item_obj);
+        }
+    }
+}
+
+
+
 void ObjectList::add_object_to_list(size_t obj_idx, bool call_selection_changed)
 {
     auto model_object = (*m_objects)[obj_idx];
@@ -2251,6 +2316,8 @@ void ObjectList::add_object_to_list(size_t obj_idx, bool call_selection_changed)
                       model_object->config.has("extruder") ? model_object->config.extruder() : 0,
                       get_mesh_errors_count(obj_idx) > 0);
 
+    update_info_items(obj_idx);
+
     // add volumes to the object
     if (model_object->volumes.size() > 1) {
         for (const ModelVolume* volume : model_object->volumes) {
@@ -3029,7 +3096,7 @@ void ObjectList::update_selections_on_canvas()
 
     if (sel_cnt == 1) {
         wxDataViewItem item = GetSelection();
-        if (m_objects_model->GetItemType(item) & (itSettings | itInstanceRoot | itLayerRoot | itLayer))
+        if (m_objects_model->GetItemType(item) & (itSettings | itInstanceRoot | itLayerRoot | itLayer | itInfo))
             add_to_selection(m_objects_model->GetParent(item), selection, instance_idx, mode);
         else
             add_to_selection(item, selection, instance_idx, mode);
@@ -3442,6 +3509,9 @@ void ObjectList::update_object_list_by_printer_technology()
     m_objects_model->GetChildren(wxDataViewItem(nullptr), object_items);
 
     for (auto& object_item : object_items) {
+        // update custom supports info
+        update_info_items(m_objects_model->GetObjectIdByItem(object_item));
+
         // Update Settings Item for object
         update_settings_item_and_selection(object_item, sel);
 
diff --git a/src/slic3r/GUI/GUI_ObjectList.hpp b/src/slic3r/GUI/GUI_ObjectList.hpp
index d70c53849d..5812e26f75 100644
--- a/src/slic3r/GUI/GUI_ObjectList.hpp
+++ b/src/slic3r/GUI/GUI_ObjectList.hpp
@@ -18,7 +18,6 @@
 class wxBoxSizer;
 class wxBitmapComboBox;
 class wxMenuItem;
-class ObjectDataViewModel;
 class MenuWithSeparators;
 
 namespace Slic3r {
@@ -347,6 +346,7 @@ public:
     void update_and_show_object_settings_item();
     void update_settings_item_and_selection(wxDataViewItem item, wxDataViewItemArray& selections);
     void update_object_list_by_printer_technology();
+    void update_info_items(size_t obj_idx);
 
     void instances_to_separated_object(const int obj_idx, const std::set<int>& inst_idx);
     void instances_to_separated_objects(const int obj_idx);
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoFdmSupports.cpp b/src/slic3r/GUI/Gizmos/GLGizmoFdmSupports.cpp
index f3f87cc33e..d870687129 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoFdmSupports.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoFdmSupports.cpp
@@ -7,6 +7,7 @@
 #include "slic3r/GUI/GUI_App.hpp"
 #include "slic3r/GUI/ImGuiWrapper.hpp"
 #include "slic3r/GUI/Plater.hpp"
+#include "slic3r/GUI/GUI_ObjectList.hpp"
 
 
 #include <GL/glew.h>
@@ -316,8 +317,12 @@ void GLGizmoFdmSupports::update_model_object() const
         updated |= mv->supported_facets.set(*m_triangle_selectors[idx].get());
     }
 
-    if (updated)
+    if (updated) {
+        const ModelObjectPtrs& mos = wxGetApp().model().objects;
+        wxGetApp().obj_list()->update_info_items(std::find(mos.begin(), mos.end(), mo) - mos.begin());
+
         m_parent.post_event(SimpleEvent(EVT_GLCANVAS_SCHEDULE_BACKGROUND_PROCESS));
+    }
 }
 
 
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoSeam.cpp b/src/slic3r/GUI/Gizmos/GLGizmoSeam.cpp
index 6c3a8ddd3a..9724767550 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoSeam.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoSeam.cpp
@@ -7,7 +7,7 @@
 #include "slic3r/GUI/GUI_App.hpp"
 #include "slic3r/GUI/ImGuiWrapper.hpp"
 #include "slic3r/GUI/Plater.hpp"
-
+#include "slic3r/GUI/GUI_ObjectList.hpp"
 
 #include <GL/glew.h>
 
@@ -222,8 +222,12 @@ void GLGizmoSeam::update_model_object() const
         updated |= mv->seam_facets.set(*m_triangle_selectors[idx].get());
     }
 
-    if (updated)
+    if (updated) {
+        const ModelObjectPtrs& mos = wxGetApp().model().objects;
+        wxGetApp().obj_list()->update_info_items(std::find(mos.begin(), mos.end(), mo) - mos.begin());
+
         m_parent.post_event(SimpleEvent(EVT_GLCANVAS_SCHEDULE_BACKGROUND_PROCESS));
+    }
 }
 
 
diff --git a/src/slic3r/GUI/Gizmos/GLGizmosManager.cpp b/src/slic3r/GUI/Gizmos/GLGizmosManager.cpp
index 9dc785b3fa..2f1396d634 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmosManager.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmosManager.cpp
@@ -163,6 +163,17 @@ void GLGizmosManager::reset_all_states()
     m_hover = Undefined;
 }
 
+bool GLGizmosManager::open_gizmo(EType type)
+{
+    int idx = int(type);
+    if (m_gizmos[idx]->is_selectable() && m_gizmos[idx]->is_activable()) {
+        activate_gizmo(m_current == idx ? Undefined : (EType)idx);
+        update_data();
+        return true;
+    }
+    return false;
+}
+
 void GLGizmosManager::set_hover_id(int id)
 {
     if (!m_enabled || m_current == Undefined)
@@ -266,24 +277,21 @@ bool GLGizmosManager::is_running() const
 
 bool GLGizmosManager::handle_shortcut(int key)
 {
-    if (!m_enabled)
+    if (!m_enabled || m_parent.get_selection().is_empty())
         return false;
 
-    if (m_parent.get_selection().is_empty())
+    auto it = std::find_if(m_gizmos.begin(), m_gizmos.end(),
+            [key](const std::unique_ptr<GLGizmoBase>& gizmo) {
+                int gizmo_key = gizmo->get_shortcut_key();
+                return gizmo->is_selectable()
+                       && ((gizmo_key == key - 64) || (gizmo_key == key - 96));
+    });
+
+    if (it == m_gizmos.end())
         return false;
 
-    bool handled = false;
-
-    for (size_t idx : get_selectable_idxs()) {
-        int it_key = m_gizmos[idx]->get_shortcut_key();
-
-        if (m_gizmos[idx]->is_activable() && ((it_key == key - 64) || (it_key == key - 96))) {
-                activate_gizmo(m_current == idx ? Undefined : (EType)idx);
-                handled = true;
-        }
-    }
-
-    return handled;
+    EType gizmo_type = EType(it - m_gizmos.begin());
+    return open_gizmo(gizmo_type);
 }
 
 bool GLGizmosManager::is_dragging() const
@@ -814,10 +822,7 @@ bool GLGizmosManager::on_char(wxKeyEvent& evt)
     if (!processed && !evt.HasModifiers())
     {
         if (handle_shortcut(keyCode))
-        {
-            update_data();
             processed = true;
-        }
     }
 
     if (processed)
@@ -1156,5 +1161,11 @@ bool GLGizmosManager::is_in_editing_mode(bool error_notification) const
     return true;
 }
 
+
+int GLGizmosManager::get_shortcut_key(GLGizmosManager::EType type) const
+{
+    return m_gizmos[type]->get_shortcut_key();
+}
+
 } // namespace GUI
 } // namespace Slic3r
diff --git a/src/slic3r/GUI/Gizmos/GLGizmosManager.hpp b/src/slic3r/GUI/Gizmos/GLGizmosManager.hpp
index 917a5830c2..c8951966e6 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmosManager.hpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmosManager.hpp
@@ -171,6 +171,7 @@ public:
     void refresh_on_off_state();
     void reset_all_states();
     bool is_serializing() const { return m_serializing; }
+    bool open_gizmo(EType type);
 
     void set_hover_id(int id);
     void enable_grabber(EType type, unsigned int id, bool enable);
@@ -228,6 +229,7 @@ public:
     void update_after_undo_redo(const UndoRedo::Snapshot& snapshot);
 
     int get_selectable_icons_cnt() const { return get_selectable_idxs().size(); }
+    int get_shortcut_key(GLGizmosManager::EType) const;
 
 private:
     void render_background(float left, float top, float right, float bottom, float border) const;
diff --git a/src/slic3r/GUI/ObjectDataViewModel.cpp b/src/slic3r/GUI/ObjectDataViewModel.cpp
index cf7b7b4796..49c75f9f2f 100644
--- a/src/slic3r/GUI/ObjectDataViewModel.cpp
+++ b/src/slic3r/GUI/ObjectDataViewModel.cpp
@@ -47,6 +47,19 @@ void ObjectDataViewModelNode::init_container()
 static constexpr char LayerRootIcon[]   = "edit_layers_all";
 static constexpr char LayerIcon[]       = "edit_layers_some";
 static constexpr char WarningIcon[]     = "exclamation";
+static constexpr char InfoIcon[]        = "info";
+
+ObjectDataViewModelNode::ObjectDataViewModelNode(ObjectDataViewModelNode* parent, const InfoItemType info_type) :
+    m_parent(parent),
+    m_type(itInfo),
+    m_extruder(wxEmptyString)
+{
+    m_name = info_type == InfoItemType::CustomSupports ? _L("Paint-on supports")
+           : info_type == InfoItemType::CustomSeam     ? _L("Paint-on seam")
+                                                       : _L("Variable layer height");
+    m_info_item_type = info_type;
+}
+
 
 ObjectDataViewModelNode::ObjectDataViewModelNode(ObjectDataViewModelNode* parent, const ItemType type) :
     m_parent(parent),
@@ -69,6 +82,8 @@ ObjectDataViewModelNode::ObjectDataViewModelNode(ObjectDataViewModelNode* parent
         m_bmp = create_scaled_bitmap(LayerRootIcon);    // FIXME: pass window ptr
         m_name = _(L("Layers"));
     }
+    else if (type == itInfo)
+        assert(false);
 
     if (type & (itInstanceRoot | itLayerRoot))
         init_container();
@@ -250,6 +265,7 @@ ObjectDataViewModel::ObjectDataViewModel()
 
     m_volume_bmps = MenuFactory::get_volume_bitmaps();
     m_warning_bmp = create_scaled_bitmap(WarningIcon);
+    m_info_bmp    = create_scaled_bitmap(InfoIcon);
 }
 
 ObjectDataViewModel::~ObjectDataViewModel()
@@ -330,12 +346,37 @@ wxDataViewItem ObjectDataViewModel::AddVolumeChild( const wxDataViewItem &parent
 	return child;
 }
 
+wxDataViewItem ObjectDataViewModel::AddInfoChild(const wxDataViewItem &parent_item, InfoItemType info_type)
+{
+    ObjectDataViewModelNode *root = static_cast<ObjectDataViewModelNode*>(parent_item.GetID());
+    if (!root) return wxDataViewItem(0);
+
+    const auto node = new ObjectDataViewModelNode(root, info_type);
+
+    // The new item should be added according to its order in InfoItemType.
+    // Find last info item with lower index and append after it.
+    const auto& children = root->GetChildren();
+    int idx = -1;
+    for (int i=0; i<int(children.size()); ++i) {
+        if (children[i]->GetType() == itInfo && int(children[i]->GetInfoItemType()) < int(info_type) )
+            idx = i;
+    }
+
+    root->Insert(node, idx+1);
+    node->SetBitmap(m_info_bmp);
+    // notify control
+    const wxDataViewItem child((void*)node);
+    ItemAdded(parent_item, child);
+    return child;
+}
+
 wxDataViewItem ObjectDataViewModel::AddSettingsChild(const wxDataViewItem &parent_item)
 {
     ObjectDataViewModelNode *root = static_cast<ObjectDataViewModelNode*>(parent_item.GetID());
     if (!root) return wxDataViewItem(0);
 
     const auto node = new ObjectDataViewModelNode(root, itSettings);
+
     root->Insert(node, 0);
     // notify control
     const wxDataViewItem child((void*)node);
@@ -1379,6 +1420,14 @@ ItemType ObjectDataViewModel::GetItemType(const wxDataViewItem &item) const
     return node->m_type < 0 ? itUndef : node->m_type;
 }
 
+InfoItemType ObjectDataViewModel::GetInfoItemType(const wxDataViewItem &item) const
+{
+    if (!item.IsOk())
+        return InfoItemType::Undef;
+    ObjectDataViewModelNode *node = static_cast<ObjectDataViewModelNode*>(item.GetID());
+    return node->m_info_item_type;
+}
+
 wxDataViewItem ObjectDataViewModel::GetItemByType(const wxDataViewItem &parent_item, ItemType type) const 
 {
     if (!parent_item.IsOk())
@@ -1411,6 +1460,21 @@ wxDataViewItem ObjectDataViewModel::GetLayerRootItem(const wxDataViewItem &item)
     return GetItemByType(item, itLayerRoot);
 }
 
+wxDataViewItem ObjectDataViewModel::GetInfoItemByType(const wxDataViewItem &parent_item, InfoItemType type) const
+{
+    if (! parent_item.IsOk())
+        return wxDataViewItem(0);
+
+    ObjectDataViewModelNode *node = static_cast<ObjectDataViewModelNode*>(parent_item.GetID());
+    for (size_t i = 0; i < node->GetChildCount(); i++) {
+        const ObjectDataViewModelNode* child_node = node->GetNthChild(i);
+        if (child_node->m_type == itInfo && child_node->m_info_item_type == type)
+            return wxDataViewItem((void*)child_node);
+    }
+
+    return wxDataViewItem(0); // not found
+}
+
 bool ObjectDataViewModel::IsSettingsItem(const wxDataViewItem &item) const
 {
     if (!item.IsOk())
diff --git a/src/slic3r/GUI/ObjectDataViewModel.hpp b/src/slic3r/GUI/ObjectDataViewModel.hpp
index c23ec195bd..1dd41bb107 100644
--- a/src/slic3r/GUI/ObjectDataViewModel.hpp
+++ b/src/slic3r/GUI/ObjectDataViewModel.hpp
@@ -27,6 +27,7 @@ enum ItemType {
     itSettings      = 16,
     itLayerRoot     = 32,
     itLayer         = 64,
+    itInfo          = 128
 };
 
 enum ColumnNumber
@@ -44,6 +45,14 @@ enum PrintIndicator
     piUnprintable      ,    // unprintable
 };
 
+enum class InfoItemType
+{
+    Undef,
+    CustomSupports,
+    CustomSeam,
+    VariableLayerHeight
+};
+
 class ObjectDataViewModelNode;
 WX_DEFINE_ARRAY_PTR(ObjectDataViewModelNode*, MyObjectTreeModelNodePtrArray);
 
@@ -69,6 +78,7 @@ class ObjectDataViewModelNode
 
     std::string                     m_action_icon_name = "";
     ModelVolumeType                 m_volume_type;
+    InfoItemType                    m_info_item_type {InfoItemType::Undef};
 
 public:
     ObjectDataViewModelNode(const wxString& name,
@@ -104,6 +114,7 @@ public:
                             const wxString& extruder = wxEmptyString );
 
     ObjectDataViewModelNode(ObjectDataViewModelNode* parent, const ItemType type);
+    ObjectDataViewModelNode(ObjectDataViewModelNode* parent, const InfoItemType type);
 
     ~ObjectDataViewModelNode()
     {
@@ -176,6 +187,7 @@ public:
     const wxBitmap& GetBitmap() const               { return m_bmp; }
     const wxString& GetName() const                 { return m_name; }
     ItemType        GetType() const                 { return m_type; }
+    InfoItemType    GetInfoItemType() const         { return m_info_item_type; }
 	void			SetIdx(const int& idx);
 	int             GetIdx() const                  { return m_idx; }
     ModelVolumeType GetVolumeType()                 { return m_volume_type; }
@@ -244,6 +256,7 @@ class ObjectDataViewModel :public wxDataViewModel
     std::vector<ObjectDataViewModelNode*>       m_objects;
     std::vector<wxBitmap>                       m_volume_bmps;
     wxBitmap                                    m_warning_bmp;
+    wxBitmap                                    m_info_bmp;
 
     wxDataViewCtrl*                             m_ctrl { nullptr };
 
@@ -261,6 +274,7 @@ public:
                                     const int extruder = 0,
                                     const bool create_frst_child = true);
     wxDataViewItem AddSettingsChild(const wxDataViewItem &parent_item);
+    wxDataViewItem AddInfoChild(const wxDataViewItem &parent_item, InfoItemType info_type);
     wxDataViewItem AddInstanceChild(const wxDataViewItem &parent_item, size_t num);
     wxDataViewItem AddInstanceChild(const wxDataViewItem &parent_item, const std::vector<bool>& print_indicator);
     wxDataViewItem AddLayersRoot(const wxDataViewItem &parent_item);
@@ -335,12 +349,15 @@ public:
     // In our case it is an item with all columns
     bool    HasContainerColumns(const wxDataViewItem& WXUNUSED(item)) const override {	return true; }
 
-    ItemType        GetItemType(const wxDataViewItem &item) const ;
+    ItemType        GetItemType(const wxDataViewItem &item) const;
+    InfoItemType    GetInfoItemType(const wxDataViewItem &item) const;
     wxDataViewItem  GetItemByType(  const wxDataViewItem &parent_item,
                                     ItemType type) const;
     wxDataViewItem  GetSettingsItem(const wxDataViewItem &item) const;
     wxDataViewItem  GetInstanceRootItem(const wxDataViewItem &item) const;
     wxDataViewItem  GetLayerRootItem(const wxDataViewItem &item) const;
+    wxDataViewItem  GetInfoItemByType(const wxDataViewItem &parent_item, InfoItemType type) const;
+
     bool    IsSettingsItem(const wxDataViewItem &item) const;
     void    UpdateSettingsDigest(   const wxDataViewItem &item,
                                     const std::vector<std::string>& categories);
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 50adb89e41..5db983f43a 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -4967,6 +4967,12 @@ void Plater::convert_unit(ConversionType conv_type)
     }
 }
 
+void Plater::toggle_layers_editing(bool enable)
+{
+    if (canvas3D()->is_layers_editing_enabled() != enable)
+        wxPostEvent(canvas3D()->get_wxglcanvas(), SimpleEvent(EVT_GLTOOLBAR_LAYERSEDITING));
+}
+
 void Plater::cut(size_t obj_idx, size_t instance_idx, coordf_t z, bool keep_upper, bool keep_lower, bool rotate_lower)
 {
     wxCHECK_RET(obj_idx < p->model.objects.size(), "obj_idx out of bounds");
diff --git a/src/slic3r/GUI/Plater.hpp b/src/slic3r/GUI/Plater.hpp
index 16590ed9b1..e99feee82f 100644
--- a/src/slic3r/GUI/Plater.hpp
+++ b/src/slic3r/GUI/Plater.hpp
@@ -191,6 +191,7 @@ public:
     bool is_selection_empty() const;
     void scale_selection_to_fit_print_volume();
     void convert_unit(ConversionType conv_type);
+    void toggle_layers_editing(bool enable);
 
     void cut(size_t obj_idx, size_t instance_idx, coordf_t z, bool keep_upper = true, bool keep_lower = true, bool rotate_lower = false);