diff --git a/src/libslic3r/Technologies.hpp b/src/libslic3r/Technologies.hpp
index 755ca5ffa..20f18cdee 100644
--- a/src/libslic3r/Technologies.hpp
+++ b/src/libslic3r/Technologies.hpp
@@ -58,5 +58,7 @@
 
 // Printbed textures generated from svg files
 #define ENABLE_TEXTURES_FROM_SVG (1 && ENABLE_1_42_0_ALPHA7)
+// Do not regenerate GLVolumes for gcode preview if not needed
+#define ENABLE_NO_GCODE_TOOLPATHS_REGENERATION (1 && ENABLE_1_42_0_ALPHA7)
 
 #endif // _technologies_h_
diff --git a/src/slic3r/GUI/GUI_Preview.cpp b/src/slic3r/GUI/GUI_Preview.cpp
index 549dbd7e6..f9f507571 100644
--- a/src/slic3r/GUI/GUI_Preview.cpp
+++ b/src/slic3r/GUI/GUI_Preview.cpp
@@ -418,11 +418,22 @@ void Preview::load_print()
         load_print_as_sla();
 }
 
+#if ENABLE_NO_GCODE_TOOLPATHS_REGENERATION
+void Preview::reload_print(bool force, bool keep_volumes)
+#else
 void Preview::reload_print(bool force)
+#endif // ENABLE_NO_GCODE_TOOLPATHS_REGENERATION
 {
-    m_canvas->reset_volumes();
-    m_canvas->reset_legend_texture();
-    m_loaded = false;
+#if ENABLE_NO_GCODE_TOOLPATHS_REGENERATION
+    if (!keep_volumes)
+    {
+#endif // ENABLE_NO_GCODE_TOOLPATHS_REGENERATION
+        m_canvas->reset_volumes();
+        m_canvas->reset_legend_texture();
+        m_loaded = false;
+#if ENABLE_NO_GCODE_TOOLPATHS_REGENERATION
+    }
+#endif // ENABLE_NO_GCODE_TOOLPATHS_REGENERATION
 
     if (!IsShown() && !force)
         return;
diff --git a/src/slic3r/GUI/GUI_Preview.hpp b/src/slic3r/GUI/GUI_Preview.hpp
index 6cd67013c..124be934d 100644
--- a/src/slic3r/GUI/GUI_Preview.hpp
+++ b/src/slic3r/GUI/GUI_Preview.hpp
@@ -129,7 +129,11 @@ public:
     void set_drop_target(wxDropTarget* target);
 
     void load_print();
+#if ENABLE_NO_GCODE_TOOLPATHS_REGENERATION
+    void reload_print(bool force = false, bool keep_volumes = false);
+#else
     void reload_print(bool force = false);
+#endif // ENABLE_NO_GCODE_TOOLPATHS_REGENERATION
     void refresh_print();
 
 private:
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 08698998f..6d62e9d84 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -1997,6 +1997,11 @@ void Plater::priv::schedule_background_process()
     this->background_process_timer.Start(500, wxTIMER_ONE_SHOT);
     // Notify the Canvas3D that something has changed, so it may invalidate some of the layer editing stuff.
     this->view3D->get_canvas3d()->set_config(this->config);
+#if ENABLE_NO_GCODE_TOOLPATHS_REGENERATION
+    // Reset gcode preview
+    this->preview->get_canvas3d()->reset_volumes();
+    this->preview->get_canvas3d()->reset_legend_texture();
+#endif // ENABLE_NO_GCODE_TOOLPATHS_REGENERATION
 }
 
 void Plater::priv::update_print_volume_state()
@@ -2261,7 +2266,12 @@ void Plater::priv::set_current_panel(wxPanel* panel)
     else if (current_panel == preview)
     {
         this->q->reslice();        
+#if ENABLE_NO_GCODE_TOOLPATHS_REGENERATION
+        // keeps current gcode preview, if any
+        preview->reload_print(false, true);
+#else
         preview->reload_print();
+#endif // ENABLE_NO_GCODE_TOOLPATHS_REGENERATION
         preview->set_canvas_as_dirty();
         view_toolbar.select_item("Preview");
     }