diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index f9d5e350b8..42217a310b 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -3851,8 +3851,32 @@ std::vector<size_t> Plater::priv::load_files(const std::vector<fs::path>& input_
                     //         // Is there any modifier or advanced config data?
                     //         for (ModelVolume *model_volume : model_object->volumes) model_volume->config.reset();
                     //     }
-                    // } 
-                    else if (load_config && (file_version > app_version)) {
+                    // }
+                    // Orca: check if the project is created with OrcaSlicer 2.3.1-alpha and use the sparse infill rotation template for non-safe infill patterns
+                    else if ((file_version < app_version) && file_version == Semver("2.3.1-alpha")) {
+                        if (!config_loaded.opt_string("sparse_infill_rotate_template").empty()) {
+                            const auto _sparse_infill_pattern =
+                                config_loaded.option<ConfigOptionEnum<InfillPattern>>("sparse_infill_pattern")->value;
+                            bool is_safe_to_rotate = _sparse_infill_pattern == ipRectilinear || _sparse_infill_pattern == ipLine ||
+                                                     _sparse_infill_pattern == ipZigZag || _sparse_infill_pattern == ipCrossZag ||
+                                                     _sparse_infill_pattern == ipLockedZag;
+                            if (!is_safe_to_rotate) {
+                                wxString msg_text = _(
+                                    L("This project was created with an OrcaSlicer 2.3.1-alpha and uses "
+                                      "infill rotation template settings that may not work properly with your current infill pattern. "
+                                      "This could result in weak support or print quality issues."));
+                                msg_text += "\n\n" +
+                                            _(L("Would you like OrcaSlicer to automatically fix this by clearing the rotation template settings?"));
+                                MessageDialog dialog(wxGetApp().plater(), msg_text, "", wxICON_WARNING | wxYES | wxNO);
+                                dialog.SetButtonLabel(wxID_YES, _L("Yes"));
+                                dialog.SetButtonLabel(wxID_NO, _L("No"));
+                                if (dialog.ShowModal() == wxID_YES) {
+                                    config_loaded.opt_string("sparse_infill_rotate_template") = "";
+                                }
+                            }
+                        }
+
+                    } else if (load_config && (file_version > app_version)) {
                         if (config_substitutions.unrecogized_keys.size() > 0) {
                             wxString text  = wxString::Format(_L("The 3mf's version %s is newer than %s's version %s, found following unrecognized keys:"),
                                                              file_version.to_string(), std::string(SLIC3R_APP_FULL_NAME), app_version.to_string());
@@ -3883,8 +3907,7 @@ std::vector<size_t> Plater::priv::load_files(const std::vector<fs::path>& input_
                                 show_info(q, text, _L("Newer 3mf version"));
                             }
                         }
-                    } 
-                    else if (!load_config) {
+                    } else if (!load_config) {
                         // reset config except color
                         for (ModelObject *model_object : model.objects) {
                             bool has_extruder = model_object->config.has("extruder");