diff --git a/plots/01_tx_lines.py b/plots/01_tx_lines.py
index b9ecc7d..2246895 100644
--- a/plots/01_tx_lines.py
+++ b/plots/01_tx_lines.py
@@ -1,50 +1,16 @@
+# %% imports
 import logging
-from abc import ABC, abstractmethod
-from pathlib import Path
-from typing import Tuple, Union
 
 import numpy as np
 from matplotlib import pyplot as plt
-from matplotlib.animation import FuncAnimation
-from matplotlib.axes import Axes
-from matplotlib.figure import Figure
-
-dir_ = Path(__file__).parent.resolve()
-dir_root = dir_ / ".."
-dir_assets = dir_root / "assets"
+from utils import AnimatedPlot, dir_assets
 
+# %% logging
 log = logging.Logger(__name__)
 log.setLevel(logging.INFO)
 
 
-class AnimatedPlot(ABC):
-    fig: Figure
-    ax: Union[Axes, Tuple[Axes]]
-
-    def __init__(self, frames: int = 100):
-        self.frames = int(frames)
-        self.fig, self.ax = plt.subplots(1, 1)
-
-    def save(self, filename: Union[Path, str], framerate: int = 30):
-        log.info(f"Generating animation: {self.__class__}...")
-        an = FuncAnimation(
-            self.fig,
-            self.update,
-            frames=np.linspace(0, 1, self.frames, endpoint=False),
-            init_func=self.init,
-            blit=False,
-        )
-        an.save(str(filename), writer="pillow", fps=framerate)
-        log.info(f"Generating animation: {self.__class__}...Done")
-
-    def init(self) -> None:
-        pass
-
-    @abstractmethod
-    def update(self, t: float) -> None:
-        pass
-
-
+# %%
 class TxLinePlot(AnimatedPlot):
     x = np.linspace(-2 * np.pi, 2 * np.pi, 500)
 
@@ -187,5 +153,6 @@ def generate():
     ReflectionPlot(zl=1 + 1j).save(dir_assets / "tx_lines" / "reflection_complex.gif")
 
 
+# %%
 if __name__ == "__main__":
     generate()
diff --git a/plots/utils.py b/plots/utils.py
new file mode 100644
index 0000000..9f4e2ef
--- /dev/null
+++ b/plots/utils.py
@@ -0,0 +1,49 @@
+# %% imports
+import logging
+from abc import ABC, abstractmethod
+from pathlib import Path
+from typing import Tuple, Union
+
+import numpy as np
+from matplotlib import pyplot as plt
+from matplotlib.animation import FuncAnimation
+from matplotlib.axes import Axes
+from matplotlib.figure import Figure
+
+# %% logging
+log = logging.Logger(__name__)
+log.setLevel(logging.INFO)
+
+# %% paths
+dir_ = Path(__file__).parent.resolve()
+dir_root = dir_ / ".."
+dir_assets = dir_root / "assets"
+
+
+# %%
+class AnimatedPlot(ABC):
+    fig: Figure
+    ax: Union[Axes, Tuple[Axes]]
+
+    def __init__(self, frames: int = 100):
+        self.frames = int(frames)
+        self.fig, self.ax = plt.subplots(1, 1)
+
+    def save(self, filename: Union[Path, str], framerate: int = 30):
+        log.info(f"Generating animation: {self.__class__}...")
+        an = FuncAnimation(
+            self.fig,
+            self.update,
+            frames=np.linspace(0, 1, self.frames, endpoint=False),
+            init_func=self.init,
+            blit=False,
+        )
+        an.save(str(filename), writer="pillow", fps=framerate)
+        log.info(f"Generating animation: {self.__class__}...Done")
+
+    def init(self) -> None:
+        pass
+
+    @abstractmethod
+    def update(self, t: float) -> None:
+        pass