diff --git a/src/libslic3r/SLAPrint.cpp b/src/libslic3r/SLAPrint.cpp
index d24be4504..21c922a16 100644
--- a/src/libslic3r/SLAPrint.cpp
+++ b/src/libslic3r/SLAPrint.cpp
@@ -1100,13 +1100,34 @@ void SLAPrint::fill_statistics()
             const auto index = po->get_slice_index();
             if (index.find(layer.first) == index.end())
                 continue;
-                        
-            if (index.at(layer.first).model_slices_idx != SLAPrintObject::SliceRecord::NONE) {
-                for (const ExPolygon& polygon : po->get_model_slices().at(index.at(layer.first).model_slices_idx))
+
+            const SLAPrintObject::SliceRecord& record = index.at(layer.first);
+
+            if (record.model_slices_idx     != SLAPrintObject::SliceRecord::NONE && 
+                record.support_slices_idx   != SLAPrintObject::SliceRecord::NONE)
+            {
+                double model_area = 0;
+                for (const ExPolygon& polygon : po->get_model_slices().at(record.model_slices_idx))
+                    model_area += polygon.area();
+
+                layer_model_area += model_area;
+
+                Polygons polygons = to_polygons(po->get_model_slices().at(record.model_slices_idx));
+                append(polygons, to_polygons(po->get_support_slices().at(record.support_slices_idx)));
+                polygons = union_(polygons);
+                double poligons_area = 0;
+                for (const Polygon& polygon : polygons)
+                    poligons_area += polygon.area();
+
+                if (poligons_area > model_area)
+                    layer_support_area += (poligons_area-model_area);
+            }
+            else if (record.model_slices_idx != SLAPrintObject::SliceRecord::NONE) {
+                for (const ExPolygon& polygon : po->get_model_slices().at(record.model_slices_idx))
                     layer_model_area += polygon.area();
             }
-            /*else */if (index.at(layer.first).support_slices_idx != SLAPrintObject::SliceRecord::NONE) {
-                for (const ExPolygon& polygon : po->get_support_slices().front())
+            else if (record.support_slices_idx != SLAPrintObject::SliceRecord::NONE) {
+                for (const ExPolygon& polygon : po->get_support_slices().at(record.support_slices_idx))
                     layer_support_area += polygon.area();
             }
         }
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 87a950b7f..e8944654a 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -99,6 +99,11 @@ public:
     wxStaticText *info_facets;
     wxStaticText *info_materials;
     wxStaticText *info_manifold;
+
+    wxStaticText *label_volume;
+    wxStaticText *label_materials;
+    std::vector<wxStaticText *> sla_hided_items;
+
     bool        showing_manifold_warning_icon;
     void        show_sizer(bool show);
 };
@@ -120,15 +125,16 @@ ObjectInfo::ObjectInfo(wxWindow *parent) :
         (*info_label)->SetFont(wxGetApp().small_font());
         grid_sizer->Add(text, 0);
         grid_sizer->Add(*info_label, 0);
+        return text;
     };
 
     init_info_label(&info_size, _(L("Size")));
-    init_info_label(&info_volume, _(L("Volume")));
+    label_volume = init_info_label(&info_volume, _(L("Volume")));
     init_info_label(&info_facets, _(L("Facets")));
-    init_info_label(&info_materials, _(L("Materials")));
+    label_materials = init_info_label(&info_materials, _(L("Materials")));
     Add(grid_sizer, 0, wxEXPAND);
 
-    auto *info_manifold_text = new wxStaticText(parent, wxID_ANY, _(L("Manifold")));
+    auto *info_manifold_text = new wxStaticText(parent, wxID_ANY, _(L("Manifold")) + ":");
     info_manifold_text->SetFont(wxGetApp().small_font());
     info_manifold = new wxStaticText(parent, wxID_ANY, "");
     info_manifold->SetFont(wxGetApp().small_font());
@@ -139,6 +145,8 @@ ObjectInfo::ObjectInfo(wxWindow *parent) :
     sizer_manifold->Add(manifold_warning_icon, 0, wxLEFT, 2);
     sizer_manifold->Add(info_manifold, 0, wxLEFT, 2);
     Add(sizer_manifold, 0, wxEXPAND | wxTOP, 4);
+
+    sla_hided_items = { label_volume, info_volume, label_materials, info_materials };
 }
 
 void ObjectInfo::show_sizer(bool show)
@@ -811,6 +819,11 @@ void Sidebar::show_info_sizer()
     }
 
     p->object_info->show_sizer(true);
+
+    if (p->plater->printer_technology() == ptSLA) {
+        for (auto item: p->object_info->sla_hided_items)
+            item->Show(false);
+    }
 }
 
 void Sidebar::show_sliced_info_sizer(const bool show)