diff --git a/PINNs_NavierStokes_HFM.ipynb b/PINNs_NavierStokes_HFM.ipynb
index 67b9663..6362cca 100644
--- a/PINNs_NavierStokes_HFM.ipynb
+++ b/PINNs_NavierStokes_HFM.ipynb
@@ -224,6 +224,9 @@
    "outputs": [],
    "source": [
     "import sys\n",
+    "import os\n",
+    "import requests\n",
+    "import zipfile\n",
     "sys.path.insert(0, 'PINNs/Utilities/')\n",
     "import tensorflow as tf\n",
     "import numpy as np\n",
@@ -665,6 +668,41 @@
     "fi"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "16acb23e-60d5-4fe7-83e6-5330ce71fd45",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Check if the file 'Data/Stenosis2D.mat' exists\n",
+    "if not os.path.exists('Data/Stenosis2D.mat'):\n",
+    "    print(\"Grabbing additional data...\")\n",
+    "    \n",
+    "    # Download the ZIP file\n",
+    "    url = \"https://gitlab.com/CEMACHELEN1/lifd_ml_large_file_store/-/archive/main/lifd_ml_large_file_store-main.zip\"\n",
+    "    response = requests.get(url)\n",
+    "    \n",
+    "    # Save the ZIP file\n",
+    "    with open(\"lifd_ml_large_file_store-main.zip\", \"wb\") as zip_file:\n",
+    "        zip_file.write(response.content)\n",
+    "    \n",
+    "    # Extract the contents\n",
+    "    with zipfile.ZipFile(\"lifd_ml_large_file_store-main.zip\", \"r\") as zip_ref:\n",
+    "        zip_ref.extractall(\"Data\")\n",
+    "    \n",
+    "    # Clean up\n",
+    "    os.remove(\"lifd_ml_large_file_store-main.zip\")\n",
+    "    \n",
+    "    # Move the required file\n",
+    "    os.rename(\"Data/lifd_ml_large_file_store-main/Physics_Informed_Neural_Networks/Data/Stenosis2D.mat\", \"Data/Stenosis2D.mat\")\n",
+    "    \n",
+    "    # List the contents of the 'Data' directory\n",
+    "    print(\"Contents of 'Data':\")\n",
+    "    for item in os.listdir(\"Data\"):\n",
+    "        print(item)"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,