diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools.py b/extensions/fablabchemnitz/vpypetools/vpypetools.py
index f1ca982d..a44a6e57 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools.py
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools.py
@@ -119,7 +119,8 @@ class vpypetools (inkex.EffectExtension):
         self.arg_parser.add_argument("--simplify", type=inkex.Boolean, default=False, help="Reduces significantly the number of segments used to approximate the curve while still guaranteeing an accurate conversion, but may increase the execution time. Does not work for 'Singlelayer/paths'")
         self.arg_parser.add_argument("--parallel", type=inkex.Boolean, default=False, help="Enables multiprocessing for the SVG conversion. This is recommended ONLY when using 'Simplify geometry' on large SVG files with many curved elements. Does not work for 'Singlelayer/paths'")
         self.arg_parser.add_argument("--apply_transformations", type=inkex.Boolean, default=False, help="Run 'Apply Transformations' extension before running vpype. Helps avoiding geometry shifting")
-        self.arg_parser.add_argument("--output_show", type=inkex.Boolean, default=False, help="This will open a new matplotlib window showing modified SVG data")
+        self.arg_parser.add_argument("--output_show", type=inkex.Boolean, default=False, help="This will open a separate window showing the finished SVG data. If enabled, output is not applied to InkScape canvas (only for preview)!")
+        self.arg_parser.add_argument("--output_show_points", type=inkex.Boolean, default=False, help="Enable point display in viewer")
         self.arg_parser.add_argument("--output_stats", type=inkex.Boolean, default=False, help="Show output statistics before/after conversion")
         self.arg_parser.add_argument("--output_trajectories", type=inkex.Boolean, default=False, help="Add paths for the travel trajectories")
         self.arg_parser.add_argument("--keep_objects", type=inkex.Boolean, default=False, help="If false, selected paths will be removed")
@@ -331,8 +332,8 @@ class vpypetools (inkex.EffectExtension):
         # show the vpype document visually
         if self.options.output_show:
             warnings.filterwarnings("ignore") # workaround to suppress annoying DeprecationWarning
-            # vpype_viewer.show(doc, view_mode=ViewMode.PREVIEW, show_pen_up=self.options.output_trajectories, show_points=False, pen_width=0.1, pen_opacity=1.0, argv=None)
-            vpype_viewer.show(doc, view_mode=ViewMode.PREVIEW, show_pen_up=self.options.output_trajectories, show_points=False, argv=None) # https://vpype.readthedocs.io/en/stable/api/vpype_viewer.ViewMode.html
+            # vpype_viewer.show(doc, view_mode=ViewMode.PREVIEW, show_pen_up=self.options.output_trajectories, show_points=self.options.output_show_points, pen_width=0.1, pen_opacity=1.0, argv=None)
+            vpype_viewer.show(doc, view_mode=ViewMode.PREVIEW, show_pen_up=self.options.output_trajectories, show_points=self.options.output_show_points, argv=None) # https://vpype.readthedocs.io/en/stable/api/vpype_viewer.ViewMode.html
             warnings.filterwarnings("default") # reset warning filter
             exit(0) #we leave the code loop because we only want to preview. We don't want to import the geometry
           
diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_filter.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_filter.inx
index 2720a739..b7f80575 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_filter.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_filter.inx
@@ -30,7 +30,8 @@
 			<param name="parallel" type="bool" gui-text="Parallelize Simplify geometry" gui-description="Enables multiprocessing for the SVG conversion. This is recommended ONLY when using 'Simplify geometry' on large SVG files with many curved elements. Does not work for 'Singlelayer/paths'">false</param>			
 			<spacer/>
 			<label appearance="header">Validation (vpype pipeline)</label>
-		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a separate window showing the finished SVG data. If enabled output is not applied to InkScape canvas (only for preview)!">false</param>
+		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a separate window showing the finished SVG data. If enabled output, is not applied to InkScape canvas (only for preview)!">false</param>
+		 	<param name="output_show_points" type="bool" gui-text="Enable point display in viewer">false</param>
 		 	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion. Helps to find out length savings.">false</param>
 			<spacer/>
 			<label appearance="header">Output (vpype to InkScape)</label>
diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_freemode.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_freemode.inx
index 1af8716c..63c82943 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_freemode.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_freemode.inx
@@ -35,7 +35,8 @@
 			<param name="parallel" type="bool" gui-text="Parallelize Simplify geometry" gui-description="Enables multiprocessing for the SVG conversion. This is recommended ONLY when using 'Simplify geometry' on large SVG files with many curved elements. Does not work for 'Singlelayer/paths'">false</param>			
 			<spacer/>
 			<label appearance="header">Validation (vpype pipeline)</label>
-		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a separate window showing the finished SVG data. If enabled output is not applied to InkScape canvas (only for preview)!">false</param>
+		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a separate window showing the finished SVG data. If enabled output, is not applied to InkScape canvas (only for preview)!">false</param>
+		 	<param name="output_show_points" type="bool" gui-text="Enable point display in viewer">false</param>
 		 	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion. Helps to find out length savings.">false</param>
 			<spacer/>
 			<label appearance="header">Output (vpype to InkScape)</label>
diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_linemerge.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_linemerge.inx
index 39713980..4887bfd7 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_linemerge.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_linemerge.inx
@@ -25,7 +25,8 @@
 			<param name="parallel" type="bool" gui-text="Parallelize Simplify geometry" gui-description="Enables multiprocessing for the SVG conversion. This is recommended ONLY when using 'Simplify geometry' on large SVG files with many curved elements. Does not work for 'Singlelayer/paths'">false</param>			
 			<spacer/>
 			<label appearance="header">Validation (vpype pipeline)</label>
-		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a separate window showing the finished SVG data. If enabled output is not applied to InkScape canvas (only for preview)!">false</param>
+		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a separate window showing the finished SVG data. If enabled output, is not applied to InkScape canvas (only for preview)!">false</param>
+		 	<param name="output_show_points" type="bool" gui-text="Enable point display in viewer">false</param>
 		 	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion. Helps to find out length savings.">false</param>
 			<spacer/>
 			<label appearance="header">Output (vpype to InkScape)</label>
diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_linesort.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_linesort.inx
index 5853083e..c49d0757 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_linesort.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_linesort.inx
@@ -24,7 +24,8 @@
 			<param name="parallel" type="bool" gui-text="Parallelize Simplify geometry" gui-description="Enables multiprocessing for the SVG conversion. This is recommended ONLY when using 'Simplify geometry' on large SVG files with many curved elements. Does not work for 'Singlelayer/paths'">false</param>			
 			<spacer/>
 			<label appearance="header">Validation (vpype pipeline)</label>
-		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a separate window showing the finished SVG data. If enabled output is not applied to InkScape canvas (only for preview)!">false</param>
+		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a separate window showing the finished SVG data. If enabled output, is not applied to InkScape canvas (only for preview)!">false</param>
+		 	<param name="output_show_points" type="bool" gui-text="Enable point display in viewer">false</param>
 		 	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion. Helps to find out length savings.">false</param>
 			<spacer/>
 			<label appearance="header">Output (vpype to InkScape)</label>
diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_multipass.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_multipass.inx
index e0aebf81..b494ca34 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_multipass.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_multipass.inx
@@ -24,7 +24,8 @@
 			<param name="parallel" type="bool" gui-text="Parallelize Simplify geometry" gui-description="Enables multiprocessing for the SVG conversion. This is recommended ONLY when using 'Simplify geometry' on large SVG files with many curved elements. Does not work for 'Singlelayer/paths'">false</param>			
 			<spacer/>
 			<label appearance="header">Validation (vpype pipeline)</label>
-		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a separate window showing the finished SVG data. If enabled output is not applied to InkScape canvas (only for preview)!">false</param>
+		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a separate window showing the finished SVG data. If enabled output, is not applied to InkScape canvas (only for preview)!">false</param>
+		 	<param name="output_show_points" type="bool" gui-text="Enable point display in viewer">false</param>
 		 	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion. Helps to find out length savings.">false</param>
 			<spacer/>
 			<label appearance="header">Output (vpype to InkScape)</label>
diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_occult.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_occult.inx
index 07ecc77d..ed925189 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_occult.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_occult.inx
@@ -24,7 +24,8 @@
 			<param name="parallel" type="bool" gui-text="Parallelize Simplify geometry" gui-description="Enables multiprocessing for the SVG conversion. This is recommended ONLY when using 'Simplify geometry' on large SVG files with many curved elements. Does not work for 'Singlelayer/paths'">false</param>			
 			<spacer/>
 			<label appearance="header">Validation (vpype pipeline)</label>
-		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a separate window showing the finished SVG data. If enabled output is not applied to InkScape canvas (only for preview)!">false</param>
+		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a separate window showing the finished SVG data. If enabled output, is not applied to InkScape canvas (only for preview)!">false</param>
+		 	<param name="output_show_points" type="bool" gui-text="Enable point display in viewer">false</param>
 		 	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion. Helps to find out length savings.">false</param>
 			<spacer/>
 			<label appearance="header">Output (vpype to InkScape)</label>
diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_relooping.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_relooping.inx
index 979c985c..9c04938a 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_relooping.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_relooping.inx
@@ -24,7 +24,8 @@
 			<param name="parallel" type="bool" gui-text="Parallelize Simplify geometry" gui-description="Enables multiprocessing for the SVG conversion. This is recommended ONLY when using 'Simplify geometry' on large SVG files with many curved elements. Does not work for 'Singlelayer/paths'">false</param>			
 			<spacer/>
 			<label appearance="header">Validation (vpype pipeline)</label>
-		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a separate window showing the finished SVG data. If enabled output is not applied to InkScape canvas (only for preview)!">false</param>
+		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a separate window showing the finished SVG data. If enabled output, is not applied to InkScape canvas (only for preview)!">false</param>
+		 	<param name="output_show_points" type="bool" gui-text="Enable point display in viewer">false</param>
 		 	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion. Helps to find out length savings.">false</param>
 			<spacer/>
 			<label appearance="header">Output (vpype to InkScape)</label>
diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_splitall.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_splitall.inx
index 120ac9f2..2fe21be4 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_splitall.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_splitall.inx
@@ -23,7 +23,8 @@
 			<param name="parallel" type="bool" gui-text="Parallelize Simplify geometry" gui-description="Enables multiprocessing for the SVG conversion. This is recommended ONLY when using 'Simplify geometry' on large SVG files with many curved elements. Does not work for 'Singlelayer/paths'">false</param>			
 			<spacer/>
 			<label appearance="header">Validation (vpype pipeline)</label>
-		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a separate window showing the finished SVG data. If enabled output is not applied to InkScape canvas (only for preview)!">false</param>
+		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a separate window showing the finished SVG data. If enabled output, is not applied to InkScape canvas (only for preview)!">false</param>
+		 	<param name="output_show_points" type="bool" gui-text="Enable point display in viewer">false</param>
 		 	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion. Helps to find out length savings.">false</param>
 			<spacer/>
 			<label appearance="header">Output (vpype to InkScape)</label>
diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_trim.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_trim.inx
index 240730e1..861ee473 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_trim.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_trim.inx
@@ -25,7 +25,8 @@
 			<param name="parallel" type="bool" gui-text="Parallelize Simplify geometry" gui-description="Enables multiprocessing for the SVG conversion. This is recommended ONLY when using 'Simplify geometry' on large SVG files with many curved elements. Does not work for 'Singlelayer/paths'">false</param>			
 			<spacer/>
 			<label appearance="header">Validation (vpype pipeline)</label>
-		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a separate window showing the finished SVG data. If enabled output is not applied to InkScape canvas (only for preview)!">false</param>
+		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a separate window showing the finished SVG data. If enabled output, is not applied to InkScape canvas (only for preview)!">false</param>
+		 	<param name="output_show_points" type="bool" gui-text="Enable point display in viewer">false</param>
 		 	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion. Helps to find out length savings.">false</param>
 			<spacer/>
 			<label appearance="header">Output (vpype to InkScape)</label>