diff --git a/imucal/calibration_gui.py b/imucal/calibration_gui.py
index 7ae4b4b..b17bbb2 100644
--- a/imucal/calibration_gui.py
+++ b/imucal/calibration_gui.py
@@ -26,6 +26,11 @@ class CalibrationGui:
     >>> labels["label2"]  # First value is start, second value is end of region
     (500, 758)
 
+    Notes
+    -----
+    If the toolbar is not visible at the bottom of the GUI, try reducing the `initial_figsize` parameter, when
+    creating the GUI.
+
     """
 
     section_list = None
@@ -65,6 +70,7 @@ def __init__(
         expected_labels: Sequence[str],
         title: Optional[str] = None,
         master: Optional[tk.Frame] = None,
+        initial_figsize=(20, 10),
     ) -> None:
         """Launch new GUI instance.
 
@@ -122,7 +128,7 @@ def __init__(self, canvas, window) -> None:
         self._create_sidebar()
 
         # Create a container
-        self.fig, self.axs = _create_figure(acc, gyro)
+        self.fig, self.axs = _create_figure(acc, gyro, figsize=initial_figsize)
 
         self.canvas = FigureCanvasTkAgg(self.fig, master=self.main_area)
         self.canvas.get_tk_widget().pack(side=tk.TOP, fill=tk.BOTH, expand=1)
@@ -281,10 +287,10 @@ def _n_labels(self):
         return sum(all(v) for v in self.section_list.values())
 
 
-def _create_figure(acc, gyro):
+def _create_figure(acc, gyro, figsize=(20, 10)):
     from matplotlib.figure import Figure
 
-    fig = Figure(figsize=(20, 10))
+    fig = Figure(figsize=figsize)
     ax1 = fig.add_subplot(211)
     lines = ax1.plot(acc)
     ax1.grid(True)
diff --git a/imucal/ferraris_calibration.py b/imucal/ferraris_calibration.py
index 0038332..d5e3f0c 100644
--- a/imucal/ferraris_calibration.py
+++ b/imucal/ferraris_calibration.py
@@ -466,6 +466,7 @@ def ferraris_regions_from_interactive_plot(
     acc_cols: Iterable[str] = ("acc_x", "acc_y", "acc_z"),
     gyr_cols: Iterable[str] = ("gyr_x", "gyr_y", "gyr_z"),
     title: Optional[str] = None,
+    figsize=(20, 10),
 ) -> tuple[FerrarisSignalRegions, pd.DataFrame]:
     """Create a Calibration object by selecting the individual signal sections manually in an interactive GUI.
 
@@ -497,6 +498,9 @@ def ferraris_regions_from_interactive_plot(
         The name of the 3 acceleration columns in order x,y,z.
     title :
         Optional title of the plot window
+    figsize :
+        The initial size of the plot window.
+        If you can not see the toolbar at the bottom, it might help to reduce the figure size.
 
     Returns
     -------
@@ -515,14 +519,16 @@ def ferraris_regions_from_interactive_plot(
     acc = data[list(acc_cols)].to_numpy()
     gyr = data[list(gyr_cols)].to_numpy()
 
-    section_list = _find_ferraris_regions_interactive(acc, gyr, title=title)
+    section_list = _find_ferraris_regions_interactive(acc, gyr, title=title, figsize=figsize)
     return (
         ferraris_regions_from_section_list(data, section_list, gyr_cols=gyr_cols, acc_cols=acc_cols),
         section_list,
     )
 
 
-def _find_ferraris_regions_interactive(acc: np.ndarray, gyro: np.ndarray, title: Optional[str] = None):
+def _find_ferraris_regions_interactive(
+    acc: np.ndarray, gyro: np.ndarray, title: Optional[str] = None, figsize=(20, 10)
+):
     """Prepare the calibration data for the later calculation of calibration matrices.
 
     Parameters
@@ -534,10 +540,11 @@ def _find_ferraris_regions_interactive(acc: np.ndarray, gyro: np.ndarray, title:
     title :
         Optional title for the Calibration GUI
 
+
     """
     from imucal.calibration_gui import CalibrationGui
 
-    plot = CalibrationGui(acc, gyro, FerrarisCalibration.FERRARIS_SECTIONS, title=title)
+    plot = CalibrationGui(acc, gyro, FerrarisCalibration.FERRARIS_SECTIONS, title=title, initial_figsize=figsize)
 
     section_list = plot.section_list