diff --git a/lib/Slic3r/GUI/Plater.pm b/lib/Slic3r/GUI/Plater.pm
index 87de2bdee..1067dfa30 100644
--- a/lib/Slic3r/GUI/Plater.pm
+++ b/lib/Slic3r/GUI/Plater.pm
@@ -559,7 +559,12 @@ sub export_gcode2 {
             $message .= sprintf " %d minutes and", $minutes if $minutes;
             $message .= sprintf " %.1f seconds", $print->processing_time - $minutes*60;
         }
-        $message .= ".";
+        $message .= ".\n";
+
+        # Filament required
+        $message .= sprintf "Filament required: %.1fmm (%.1fcm3).",
+            $print->total_extrusion_length, $print->total_extrusion_volume;
+
         $params{on_completed}->($message);
         $print->cleanup;
     };
diff --git a/lib/Slic3r/GUI/SkeinPanel.pm b/lib/Slic3r/GUI/SkeinPanel.pm
index ec786a955..dbc073f83 100644
--- a/lib/Slic3r/GUI/SkeinPanel.pm
+++ b/lib/Slic3r/GUI/SkeinPanel.pm
@@ -154,7 +154,12 @@ sub do_slice {
             $message .= sprintf " %d minutes and", $minutes if $minutes;
             $message .= sprintf " %.1f seconds", $print->processing_time - $minutes*60;
         }
-        $message .= ".";
+        $message .= ".\n";
+        
+        # Filament required
+        $message .= sprintf "Filament required: %.1fmm (%.1fcm3).",
+            $print->total_extrusion_length, $print->total_extrusion_volume;
+
         &Wx::wxTheApp->notify($message);
         Wx::MessageDialog->new($self, $message, 'Slicing Done!', 
             wxOK | wxICON_INFORMATION)->ShowModal;