diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index 319d4e68c..a05fa2344 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -1549,6 +1549,24 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
         m_label_objects_ids.clear();
     }
 
+    {
+        std::string filament_density_list = "; filament_density: ";
+        (filament_density_list+=m_config.filament_density.serialize()) +='\n';
+        file.writeln(filament_density_list);
+
+        std::string filament_diameter_list = "; filament_diameter: ";
+        (filament_diameter_list += m_config.filament_diameter.serialize()) += '\n';
+        file.writeln(filament_diameter_list);
+
+        coordf_t max_height_z = -1;
+        for (const auto& object : print.objects())
+            max_height_z = std::max(object->layers().back()->print_z, max_height_z);
+
+        std::ostringstream max_height_z_tip;
+        max_height_z_tip<<"; max_z_height: " << std::fixed << std::setprecision(2) << max_height_z << '\n';
+        file.writeln(max_height_z_tip.str());
+    }
+
     file.write_format("; HEADER_BLOCK_END\n\n");
 
     //BBS: write global config at the beginning of gcode file because printer need these config information