diff --git a/experiments/2024-10-30/.gitignore b/experiments/2024-10-30/.gitignore
index f675e85f9..3d7ba23b0 100644
--- a/experiments/2024-10-30/.gitignore
+++ b/experiments/2024-10-30/.gitignore
@@ -1,2 +1,5 @@
 # Cargo
 /target
+
+# Fornjot
+/*.3mf