diff --git a/_unittest/test_12_PostProcessing.py b/_unittest/test_12_PostProcessing.py
index 6b1ba1982af..7cf48b0e909 100644
--- a/_unittest/test_12_PostProcessing.py
+++ b/_unittest/test_12_PostProcessing.py
@@ -30,14 +30,11 @@ class TestClass:
     def setup_class(self):
         # set a scratch directory and the environment / test data
         with Scratch(scratch_path) as self.local_scratch:
-            try:
-                example_project = os.path.join(local_path, "example_models", test_project_name + ".aedtz")
-                self.test_project = self.local_scratch.copyfile(example_project)
-                example_project2 = os.path.join(local_path, "example_models", test_field_name + ".aedtz")
-                self.test_project2 = self.local_scratch.copyfile(example_project2)
-                self.aedtapp = Hfss(self.test_project)
-            except:
-                pass
+            example_project = os.path.join(local_path, "example_models", test_project_name + ".aedtz")
+            self.test_project = self.local_scratch.copyfile(example_project)
+            example_project2 = os.path.join(local_path, "example_models", test_field_name + ".aedtz")
+            self.test_project2 = self.local_scratch.copyfile(example_project2)
+            self.aedtapp = Hfss(self.test_project)
 
     def teardown_class(self):
         self.aedtapp._desktop.ClearMessages("", "", 3)
diff --git a/pyaedt/generic/plot.py b/pyaedt/generic/plot.py
index 845017222db..c38f7dc355b 100644
--- a/pyaedt/generic/plot.py
+++ b/pyaedt/generic/plot.py
@@ -2,10 +2,12 @@
 import os
 import time
 import warnings
+from datetime import datetime
 
 from pyaedt import aedt_exception_handler
 from pyaedt.generic.constants import CSS4_COLORS, AEDT_UNITS
 from pyaedt.generic.general_methods import is_ironpython, convert_remote_object
+import tempfile
 
 if not is_ironpython:
     try:
@@ -964,7 +966,7 @@ def __call__(self, state):
 
     @aedt_exception_handler
     def plot(self, export_image_path=None):
-        """Plot the current available Data.
+        """Plot the current available Data. With `s` key a screenshot is saved in export_image_path or in tempdir.
 
         Parameters
         ----------
@@ -1042,12 +1044,29 @@ def plot(self, export_image_path=None):
         else:
             self.pv.isometric_view()
         self.pv.camera.zoom(self.zoom)
+        if export_image_path:
+            path_image = os.path.dirname(export_image_path)
+            root_name, format = os.path.splitext(os.path.basename(export_image_path))
+        else:
+            path_image = tempfile.gettempdir()  # pragma: no cover
+            format = ".png"  # pragma: no cover
+            root_name = "Image"  # pragma: no cover
+
+        def s_callback():  # pragma: no cover
+            """save screenshots"""
+            exp = os.path.join(
+                path_image, "{}{}{}".format(root_name, datetime.now().strftime("%Y_%M_%d_%H-%M-%S"), format)
+            )
+            self.pv.screenshot(exp, return_img=False)
+
+        self.pv.add_key_event("s", s_callback)
         if export_image_path:
             self.pv.show(screenshot=export_image_path, full_screen=True)
-        elif self.is_notebook:
-            self.pv.show()
+        elif self.is_notebook:  # pragma: no cover
+            self.pv.show()  # pragma: no cover
         else:
-            self.pv.show(full_screen=True)
+            self.pv.show(full_screen=True)  # pragma: no cover
+
         self.image_file = export_image_path
         return True
 
diff --git a/pyaedt/modeler/Object3d.py b/pyaedt/modeler/Object3d.py
index a953eb8855a..96b868ff7d4 100644
--- a/pyaedt/modeler/Object3d.py
+++ b/pyaedt/modeler/Object3d.py
@@ -1256,6 +1256,7 @@ def material_name(self):
             if mat:
                 self._material_name = mat.strip('"').lower()
             return self._material_name
+        return ""
 
     @material_name.setter
     def material_name(self, mat):
diff --git a/pyaedt/modules/AdvancedPostProcessing.py b/pyaedt/modules/AdvancedPostProcessing.py
index 7c0657c7a45..fe03f7ab52a 100644
--- a/pyaedt/modules/AdvancedPostProcessing.py
+++ b/pyaedt/modules/AdvancedPostProcessing.py
@@ -328,15 +328,14 @@ def plot_field_from_fieldplot(
         if not file_to_add:
             return False
         else:
-            if meshplot:
-                if self._app._aedt_version >= "2021.2":
-                    models = self.export_model_obj(export_as_single_objects=True, air_objects=False)
+            if self._app._aedt_version >= "2021.2":
+                models = self.export_model_obj(export_as_single_objects=True, air_objects=False)
 
         model = ModelPlotter()
         model.off_screen = not show
 
         if file_to_add:
-            model.add_field_from_file(file_to_add, coordinate_units=self.modeler.model_units)
+            model.add_field_from_file(file_to_add, coordinate_units=self.modeler.model_units, show_edges=meshplot)
             if plot_label:
                 model.fields[0].label = plot_label
         if models: