diff --git a/src/slic3r/GUI/GCodeViewer.cpp b/src/slic3r/GUI/GCodeViewer.cpp
index 00fa066c9f..d06a88199c 100644
--- a/src/slic3r/GUI/GCodeViewer.cpp
+++ b/src/slic3r/GUI/GCodeViewer.cpp
@@ -661,13 +661,13 @@ void GCodeViewer::init()
 }
 #endif // ENABLE_SEAMS_USING_MODELS
 
-void GCodeViewer::load(const GCodeProcessor::Result& gcode_result, const Print& print, bool initialized)
+void GCodeViewer::load(const GCodeProcessor::Result& gcode_result, const Print& print, bool initialized, bool save_result_id/* = true*/)
 {
     // avoid processing if called with the same gcode_result
     if (m_last_result_id == gcode_result.id)
         return;
-
-    m_last_result_id = gcode_result.id;
+    if (save_result_id)
+        m_last_result_id = gcode_result.id; 
 
     // release gpu memory, if used
     reset(); 
diff --git a/src/slic3r/GUI/GCodeViewer.hpp b/src/slic3r/GUI/GCodeViewer.hpp
index 66fcba2bcf..0ecc2268dc 100644
--- a/src/slic3r/GUI/GCodeViewer.hpp
+++ b/src/slic3r/GUI/GCodeViewer.hpp
@@ -820,7 +820,7 @@ public:
 #endif // ENABLE_SEAMS_USING_MODELS
 
     // extract rendering data from the given parameters
-    void load(const GCodeProcessor::Result& gcode_result, const Print& print, bool initialized);
+    void load(const GCodeProcessor::Result& gcode_result, const Print& print, bool initialized, bool save_result_id = true);
     // recalculate ranges in dependence of what is visible and sets tool/print colors
     void refresh(const GCodeProcessor::Result& gcode_result, const std::vector<std::string>& str_tool_colors);
     void refresh_render_paths();
diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index bdad43ab5b..c192d93544 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -2116,6 +2116,17 @@ void GLCanvas3D::load_gcode_preview(const GCodeProcessor::Result& gcode_result,
     request_extra_frame();
 }
 
+void GLCanvas3D::check_toolpath(const GCodeProcessor::Result& gcode_result, const std::vector<std::string>& str_tool_colors)
+{
+    m_gcode_viewer.load(gcode_result, *this->fff_print(), m_initialized, false);
+
+    if (wxGetApp().is_editor()) {
+        //m_gcode_viewer.update_shells_color_by_extruder(m_config);
+        _set_warning_notification_if_needed(EWarning::ToolpathOutside);
+    }
+   
+}
+
 void GLCanvas3D::refresh_gcode_preview_render_paths()
 {
     m_gcode_viewer.refresh_render_paths();
diff --git a/src/slic3r/GUI/GLCanvas3D.hpp b/src/slic3r/GUI/GLCanvas3D.hpp
index da75fd32fc..fd4c7907b3 100644
--- a/src/slic3r/GUI/GLCanvas3D.hpp
+++ b/src/slic3r/GUI/GLCanvas3D.hpp
@@ -738,6 +738,7 @@ public:
     void reload_scene(bool refresh_immediately, bool force_full_scene_refresh = false);
 
     void load_gcode_preview(const GCodeProcessor::Result& gcode_result, const std::vector<std::string>& str_tool_colors);
+    void check_toolpath(const GCodeProcessor::Result& gcode_result, const std::vector<std::string>& str_tool_colors);
     void refresh_gcode_preview_render_paths();
     void set_gcode_view_preview_type(GCodeViewer::EViewType type) { return m_gcode_viewer.set_view_type(type); }
     GCodeViewer::EViewType get_gcode_view_preview_type() const { return m_gcode_viewer.get_view_type(); }
diff --git a/src/slic3r/GUI/GUI_Preview.cpp b/src/slic3r/GUI/GUI_Preview.cpp
index 8ca2a39c5d..c9a6e85491 100644
--- a/src/slic3r/GUI/GUI_Preview.cpp
+++ b/src/slic3r/GUI/GUI_Preview.cpp
@@ -974,6 +974,9 @@ void Preview::load_print_as_fff(bool keep_z_range)
             m_canvas_widget->Refresh();
         } else
             update_layers_slider(zs, keep_z_range);
+    // if background processing is enabled, load gcode preview to check toolpath outside
+    } else if (wxGetApp().app_config->get("background_processing") == "1" && gcode_preview_data_valid && wxGetApp().is_editor()) {
+        m_canvas->check_toolpath(*m_gcode_result, colors);
     }
 }