diff --git a/src/slic3r/GUI/GUI_ObjectManipulation.cpp b/src/slic3r/GUI/GUI_ObjectManipulation.cpp
index 5bf25f3fc..925ba65bc 100644
--- a/src/slic3r/GUI/GUI_ObjectManipulation.cpp
+++ b/src/slic3r/GUI/GUI_ObjectManipulation.cpp
@@ -130,8 +130,8 @@ ObjectManipulation::ObjectManipulation(wxWindow* parent) :
 
     auto manifold_warning_icon = [this](wxWindow* parent) {
         m_fix_throught_netfab_bitmap = new wxStaticBitmap(parent, wxID_ANY, wxNullBitmap);
-        auto sizer = new wxBoxSizer(wxHORIZONTAL);
-        sizer->Add(m_fix_throught_netfab_bitmap);
+//         auto sizer = new wxBoxSizer(wxHORIZONTAL);
+//         sizer->Add(m_fix_throught_netfab_bitmap);
 
         if (is_windows10())
             m_fix_throught_netfab_bitmap->Bind(wxEVT_CONTEXT_MENU, [this](wxCommandEvent &e)
@@ -144,17 +144,19 @@ ObjectManipulation::ObjectManipulation(wxWindow* parent) :
                 update_warning_icon_state(wxGetApp().obj_list()->get_mesh_errors_list());
             });
 
-        return sizer;
+//         return sizer;
+        return m_fix_throught_netfab_bitmap;
     };
 
-    line.append_widget(manifold_warning_icon);
+ //   line.append_widget(manifold_warning_icon);
+    line.near_label_widget = manifold_warning_icon;
     def.label = "";
     def.gui_type = "legend";
     def.tooltip = L("Object name");
 #ifdef __APPLE__
-    def.width = 19;
+    def.width = 20;
 #else
-    def.width = 21;
+    def.width = 22;
 #endif
     def.set_default_value(new ConfigOptionString{ " " });
     line.append_option(Option(def, "object_name"));
@@ -233,10 +235,19 @@ ObjectManipulation::ObjectManipulation(wxWindow* parent) :
 
     // call back for a rescale of button "Set uniform scale"
     m_og->rescale_near_label_widget = [this](wxWindow* win) {
+        // rescale lock icon
         auto *ctrl = dynamic_cast<LockButton*>(win);
-        if (ctrl == nullptr)
+        if (ctrl != nullptr) {
+            ctrl->msw_rescale();
             return;
-        ctrl->msw_rescale();
+        }
+
+        if (win == m_fix_throught_netfab_bitmap)
+            return;
+
+        // rescale "place" of the empty icon (to correct layout of the "Size" and "Scale")
+        if (dynamic_cast<wxStaticBitmap*>(win) != nullptr)
+            win->SetMinSize(create_scaled_bitmap(m_parent, "one_layer_lock_on.png").GetSize());
     };
 }
 
@@ -431,6 +442,7 @@ void ObjectManipulation::emulate_kill_focus()
 void ObjectManipulation::update_warning_icon_state(const wxString& tooltip)
 {
     m_fix_throught_netfab_bitmap->SetBitmap(tooltip.IsEmpty() ? wxNullBitmap : m_manifold_warning_bmp.bmp());
+    m_fix_throught_netfab_bitmap->SetMinSize(tooltip.IsEmpty() ? wxSize(0,0) : m_manifold_warning_bmp.bmp().GetSize());
     m_fix_throught_netfab_bitmap->SetToolTip(tooltip);
 }
 
@@ -664,7 +676,10 @@ void ObjectManipulation::msw_rescale()
 {
     msw_rescale_word_local_combo(m_word_local_combo);
     m_manifold_warning_bmp.msw_rescale();
-    m_fix_throught_netfab_bitmap->SetBitmap(m_manifold_warning_bmp.bmp());
+
+    const wxString& tooltip = m_fix_throught_netfab_bitmap->GetToolTipText();
+    m_fix_throught_netfab_bitmap->SetBitmap(tooltip.IsEmpty() ? wxNullBitmap : m_manifold_warning_bmp.bmp());
+    m_fix_throught_netfab_bitmap->SetMinSize(tooltip.IsEmpty() ? wxSize(0, 0) : m_manifold_warning_bmp.bmp().GetSize());
 
     get_og()->msw_rescale();
 }
diff --git a/src/slic3r/GUI/GUI_Utils.hpp b/src/slic3r/GUI/GUI_Utils.hpp
index a17bbf6d3..39b68ea7a 100644
--- a/src/slic3r/GUI/GUI_Utils.hpp
+++ b/src/slic3r/GUI/GUI_Utils.hpp
@@ -72,6 +72,8 @@ public:
         this->Bind(EVT_DPI_CHANGED, [this](const DpiChangedEvent &evt) {
             m_scale_factor = (float)evt.dpi / (float)DPI_DEFAULT;
 
+            m_new_font_point_size = get_default_font_for_dpi(evt.dpi).GetPointSize();
+
             if (!m_can_rescale)
                 return;
 
@@ -124,6 +126,8 @@ private:
     float m_prev_scale_factor;
     bool  m_can_rescale{ true };
 
+    int   m_new_font_point_size;
+
 //    void recalc_font()
 //    {
 //        wxClientDC dc(this);
@@ -148,18 +152,42 @@ private:
         window->Layout();
     }
 
+    void    scale_win_font(wxWindow *window, const int font_point_size)
+    {
+        wxFont new_font(window->GetFont());
+        new_font.SetPointSize(font_point_size);
+        window->SetFont(new_font);
+    }
+
+    // recursive function for scaling fonts for all controls in Window
+    void    scale_controls_fonts(wxWindow *window, const int font_point_size)
+    {
+        auto children = window->GetChildren();
+
+        for (auto child : children) {
+            scale_controls_fonts(child, font_point_size);
+            scale_win_font(child, font_point_size);
+        }
+
+        window->Layout();
+    }
+
     void    rescale(const wxRect &suggested_rect)
     {
         this->Freeze();
-        const float relative_scale_factor = m_scale_factor / m_prev_scale_factor;
+//        const float relative_scale_factor = m_scale_factor / m_prev_scale_factor;
 
         // rescale fonts of all controls
-        scale_controls_fonts(this, relative_scale_factor);
-        this->SetFont(this->GetFont().Scaled(relative_scale_factor));
+//        scale_controls_fonts(this, relative_scale_factor);
+        scale_controls_fonts(this, m_new_font_point_size);
+
+//        this->SetFont(this->GetFont().Scaled(relative_scale_factor));
+        scale_win_font(this, m_new_font_point_size);
 
 
         // rescale normal_font value
-        m_normal_font = m_normal_font.Scaled(relative_scale_factor);
+//         m_normal_font = m_normal_font.Scaled(relative_scale_factor);
+        m_normal_font = this->GetFont();
 
         // An analog of em_unit value from GUI_App.
         m_em_unit = std::max<size_t>(10, 10 * m_scale_factor);
diff --git a/src/slic3r/GUI/wxExtensions.cpp b/src/slic3r/GUI/wxExtensions.cpp
index 76ba853dc..546e4889f 100644
--- a/src/slic3r/GUI/wxExtensions.cpp
+++ b/src/slic3r/GUI/wxExtensions.cpp
@@ -2478,6 +2478,8 @@ void LockButton::msw_rescale()
     m_bmp_lock_off  .msw_rescale();
     m_bmp_unlock_on .msw_rescale();
     m_bmp_unlock_off.msw_rescale();
+
+    enter_button(false);
 }
 
 void LockButton::enter_button(const bool enter)