diff --git a/cnam/travaux/blanc/build.py b/cnam/travaux/blanc/build.py
new file mode 100755
index 0000000..db9a5fa
--- /dev/null
+++ b/cnam/travaux/blanc/build.py
@@ -0,0 +1,36 @@
+#! /usr/bin/python3 -B
+
+import os
+import subprocess
+
+DOCUMENTS = [
+    'document',
+    'présentation',
+]
+
+
+def build():
+    for document in DOCUMENTS:
+        command = ['xelatex', f'{document}.tex']
+        for _ in range(2):
+            subprocess.call(command)
+
+
+def clean():
+    _, _, files = next(os.walk(directory))
+    for file in files:
+        name, ext = os.path.splitext(file)
+        if ext in ['.aux', '.log']:
+            os.remove(file)
+
+
+def main():
+    file = os.path.realpath(__file__)
+    directory = os.path.dirname(file)
+    os.chdir(directory)
+    build()
+    clean()
+
+
+if __name__ == '__main__':
+    main()