diff --git a/backend/protzilla/data_analysis/plots.py b/backend/protzilla/data_analysis/plots.py
index 06f3469cd..4da7b66af 100644
--- a/backend/protzilla/data_analysis/plots.py
+++ b/backend/protzilla/data_analysis/plots.py
@@ -227,6 +227,7 @@ def clustergram_plot(
     flip_axes: bool,
     metadata_column: str | None = None,
     heatmap_legend_title: str | None = None,
+    dendrogram_line_width: int = 2,
     use_custom_color_scale: bool = False,
     heatmap_low_color_limit: float | None = None,
     heatmap_low_color: str | None = None,
@@ -260,6 +261,7 @@ def clustergram_plot(
     :param heatmap_low_color: color used for the smallest mapped values
     :param heatmap_high_color_limit: (if use_custom_color_scale) the threshold for which
         all greater values take heatmap_high_color
+    :param dendrogram_line_width: the width of the lines in the dendrogram
     :param heatmap_high_color: color used for the greatest mapped values
 
     return: returns a dictionary containing a list with a plotly figure and/or a list of messages
@@ -333,7 +335,7 @@ def clustergram_plot(
             row_colors=row_colors,
             row_colors_to_label_dict=color_label_dict,
             column_labels=input_df_wide.columns.values.tolist(),
-            line_width=2,
+            line_width=dendrogram_line_width,
             color_map=px.colors.diverging.RdBu_r,
             hidden_labels=["row", "col"],
             custom_color_scale=custom_color_scale,
diff --git a/backend/protzilla/methods/data_analysis.py b/backend/protzilla/methods/data_analysis.py
index 792888853..3943bb850 100644
--- a/backend/protzilla/methods/data_analysis.py
+++ b/backend/protzilla/methods/data_analysis.py
@@ -950,6 +950,13 @@ def create_form(self):
                     label="Heatmap legend title",
                     value="Heatmap legend",
                 ),
+                NumberField(
+                    name="dendrogram_line_width",
+                    label="Dendrogram line width",
+                    value=2,
+                    min=1,
+                    hasStepButtons=True,
+                ),
                 CheckboxField(
                     name="use_custom_color_scale",
                     label="Use custom color scale",
diff --git a/backend/user_data/workflows/example_dataset.yaml b/backend/user_data/workflows/example_dataset.yaml
index 532104e6d..d1e68e110 100644
--- a/backend/user_data/workflows/example_dataset.yaml
+++ b/backend/user_data/workflows/example_dataset.yaml
@@ -59,46 +59,45 @@ graph_edges:
 id_clock: 24
 steps:
 - form_inputs: {}
-  inputs: {}
   instance_identifier: s00017_TransformationInversion
   type: TransformationInversion
   visual_data:
     node_position:
-      x: -256.3887430491057
-      y: -182.53113148487623
+      x: 240.0
+      y: 304.0
 - form_inputs:
     graph_type: Boxplot
     group_by: None
     log_base: log2
-  inputs: {}
+    show_outliers: true
   instance_identifier: s00018_TransformationLog
   type: TransformationLog
   visual_data:
     node_position:
-      x: -238.11672528144226
-      y: -72.52980712595655
+      x: 240.0
+      y: 456.0
 - form_inputs:
     graph_type: Boxplot
     group_by: None
+    show_outliers: true
     visual_transformation: log10
-  inputs: {}
   instance_identifier: s00019_NormalisationByWidthAdjustment
   type: NormalisationByWidthAdjustment
   visual_data:
     node_position:
-      x: -305.1725846997794
-      y: 47.89704244166941
+      x: 240.0
+      y: 608.0
 - form_inputs:
     graph_type: Pie chart
     min_amount: 5
-  inputs: {}
   instance_identifier: s00020_FilterProteinsByNumberOfValuesPerGroup
   type: FilterProteinsByNumberOfValuesPerGroup
   visual_data:
     node_position:
-      x: -195.05443977856737
-      y: 157.54469025999737
+      x: 160.0
+      y: 760.0
 - form_inputs:
+    dendrogram_line_width: 1
     flip_axes: true
     heatmap_high_color: '#67001f'
     heatmap_high_color_limit: 3.5
@@ -106,48 +105,44 @@ steps:
     heatmap_low_color: '#053061'
     heatmap_low_color_limit: -2.5
     imputation_strategy: mean
-    metadata_column: null
+    metadata_column: Group
     use_custom_color_scale: true
-  inputs: {}
   instance_identifier: s00021_PlotClustergram
   type: PlotClustergram
   visual_data:
     node_position:
-      x: 103.5167979883891
-      y: 350.5697288158512
+      x: 0.0
+      y: 1064.0
 - form_inputs:
     alpha: 0.05
     fc_zscore_alpha: 0.05
     fc_zscore_filter: true
-    group1: null
-    group2: null
-    grouping: null
+    group1: REL-FREE
+    group2: RELAPSE
+    grouping: Group
     log_base: log2
     multiple_testing_correction_method: None
     ttest_type: Welch's t-Test
-  inputs: {}
   instance_identifier: s00022_DifferentialExpressionTTest
   type: DifferentialExpressionTTest
   visual_data:
     node_position:
-      x: -115.31021351610049
-      y: 262.06125298534624
+      x: 80.0
+      y: 912.0
 - form_inputs:
     graph_type: Pie chart
     min_amount: 1
-  inputs: {}
   instance_identifier: s00023_FilterProteinsByNumberOfValuesPerGroup
   type: FilterProteinsByNumberOfValuesPerGroup
   visual_data:
     node_position:
-      x: -246.08834066154702
-      y: -318.73233114768027
+      x: 240.0
+      y: 152.0
 - form_inputs:
     import_peptide_data: false
-  inputs: {}
   instance_identifier: s00024_ExampleDatasetImport
   type: ExampleDatasetImport
   visual_data:
     node_position:
-      x: 46.25253332298831
-      y: -499.2083768998393
+      x: 0.0
+      y: 0.0