diff --git a/notebooks/pca_examples.ipynb b/notebooks/pca_examples.ipynb
index 6d31a3c..3f2485d 100644
--- a/notebooks/pca_examples.ipynb
+++ b/notebooks/pca_examples.ipynb
@@ -264,7 +264,7 @@
       },
       "source": [
         "# Make plot with only the directions (no scatter)\n",
-        "fig, ax = model.biplot(legend=False, figsize=(20, 10), dpi=50)"
+        "fig, ax = model.biplot(legend=False, figsize=(20, 12), dpi=50, cmap='Set1')"
       ],
       "execution_count": null,
       "outputs": [
@@ -301,7 +301,7 @@
       },
       "source": [
         "# Make plot with only the directions (no scatter)\n",
-        "fig, ax = model.biplot(cmap=None, legend=False, figsize=(20, 10), dpi=50)"
+        "fig, ax = model.biplot(cmap=None, legend=False, figsize=(20, 12), dpi=50, cmap='Set1')"
       ],
       "execution_count": null,
       "outputs": [
@@ -386,13 +386,13 @@
         "# Make plots\n",
         "\n",
         "# Scree plot\n",
-        "fig, ax = model.plot(figsize=(20, 10), dpi=50)\n",
+        "fig, ax = model.plot(figsize=(20, 12), dpi=50)\n",
         "\n",
         "# Scatter plot\n",
-        "fig, ax = model.scatter(figsize=(20, 10), dpi=50)\n",
+        "fig, ax = model.scatter(figsize=(20, 12), dpi=50)\n",
         "\n",
         "# Biplot\n",
-        "fig, ax = model.biplot(figsize=(20, 10), dpi=50)\n"
+        "fig, ax = model.biplot(figsize=(20, 12), dpi=50, cmap='Set1')\n"
       ],
       "execution_count": null,
       "outputs": [
@@ -456,7 +456,7 @@
         "# Coloring on density to focus on the core samples.\n",
         "\n",
         "# Biplot\n",
-        "fig, ax = model.biplot(figsize=(20, 10), dpi=50, gradient='#ffffff')\n"
+        "fig, ax = model.biplot(figsize=(20, 12), dpi=50, gradient='#ffffff', cmap='Set1')\n"
       ],
       "metadata": {
         "colab": {
@@ -545,7 +545,7 @@
       "cell_type": "code",
       "source": [
         "# Outlier detection\n",
-        "fig, ax = model.biplot(SPE=True, HT2=True, figsize=(20, 10), dpi=50)"
+        "fig, ax = model.biplot(SPE=True, HT2=True, figsize=(20, 12), dpi=50, cmap='Set1')"
       ],
       "metadata": {
         "colab": {
@@ -590,9 +590,9 @@
       },
       "source": [
         "# 3D plots\n",
-        "fig, ax = model.scatter3d(figsize=(20, 10), dpi=50)\n",
-        "fig, ax = model.biplot3d(figsize=(20, 10), dpi=50)\n",
-        "fig, ax = model.biplot3d(SPE=True, HT2=True, figsize=(20, 10), dpi=50)"
+        "fig, ax = model.scatter3d(figsize=(20, 12), dpi=50)\n",
+        "fig, ax = model.biplot3d(figsize=(20, 12), dpi=50, cmap='Set1')\n",
+        "fig, ax = model.biplot3d(SPE=True, HT2=True, figsize=(20, 12), dpi=50, cmap='Set1')"
       ],
       "execution_count": null,
       "outputs": [
@@ -659,7 +659,7 @@
         "outputId": "7e8be72a-3eaf-4f21-d790-5954e2a4beae"
       },
       "source": [
-        "fig, ax = model.biplot3d(SPE=True, HT2=True, visible=False, figsize=(20, 10), dpi=50)\n",
+        "fig, ax = model.biplot3d(SPE=True, HT2=True, visible=False, figsize=(20, 12), dpi=50, cmap='Set1')\n",
         "\n",
         "# Set the figure again to True and show the figure.\n",
         "fig.set_visible(True)\n",