diff --git a/flamedisx/__init__.py b/flamedisx/__init__.py
index f632b6d2e..fd6bf3c6b 100644
--- a/flamedisx/__init__.py
+++ b/flamedisx/__init__.py
@@ -37,6 +37,10 @@
 # Access through fd.lux.xxx
 from . import lux
 
+# LZ data access
+# Access through fd.lz.xxx
+from . import lz
+
 # Custom TFP files
 # Access through fd.tfp_files.xxx
 from . import tfp_files
diff --git a/flamedisx/lz/__init__.py b/flamedisx/lz/__init__.py
new file mode 100644
index 000000000..df22d8bbb
--- /dev/null
+++ b/flamedisx/lz/__init__.py
@@ -0,0 +1 @@
+from .data import *
diff --git a/flamedisx/lz/data.py b/flamedisx/lz/data.py
new file mode 100644
index 000000000..7d4d22cfe
--- /dev/null
+++ b/flamedisx/lz/data.py
@@ -0,0 +1,59 @@
+"""Tools to get private LZ data
+"""
+import getpass
+import os
+import os.path
+import random
+import string
+
+import flamedisx as fd
+export, __all__ = fd.exporter()
+
+
+# Path to the root folder of the private LZ data repository, if you have already cloned it
+PATH = 'lz_private_data'
+
+
+def ensure_token(token=None):
+    """Requests for token if token is not already available."""
+    if token is None:
+        print("    - Create a token with 'read repository' permissions at "
+              "https://gitlab.com/-/profile/personal_access_tokens\n"
+              "    - Save or write it down somewhere \n"
+              "    - Type it in the prompt above\n\n"
+              "'Repository not found' means you didn't give the token"
+              " the correct permissions.\n"
+              "'Authentication failed' means you mistyped your username or the"
+              " token.\n")
+        # We could prompt for username/password instead, but then the password
+        # would be printed in plaintext if there is any problem during cloning.
+        user = input('Gitlab username:')
+        token = getpass.getpass('GitLab token: ')
+    return user, token
+
+
+def ensure_repo(repo_name, repo_path, user=None, token=None):
+    """Clones private repository (prompting for credentials) if we do not have it"""
+    if not os.path.exists(repo_path):
+        print("Private data requested, we must clone repository folder.")
+        user, token = ensure_token()
+        temp_folder = ''.join(random.choices(string.ascii_lowercase, k=8))
+        fd.run_command(f'git clone https://{user}:{token}'
+                    f'@gitlab.com/{repo_name} {temp_folder}')
+        fd.run_command(f'mv {temp_folder}/{repo_path} .')
+        fd.run_command(f'rm -r -f {temp_folder}')
+
+
+@export
+def clone_lz_repo():
+    ensure_repo('luxzeplin/stats/LZFlameFit.git', PATH)
+    import os
+    print(os.getcwd())
+
+
+@export
+def get_lz_file(data_file_name):
+    """Return information from file in lz_private_data/...
+    """
+    ensure_repo('luxzeplin/stats/LZFlameFit.git', PATH)
+    return fd.get_resource(f'{PATH}/{data_file_name}')