diff --git a/src/bonsai/bonsai/bim/data/cache/shapes/.gitignore b/src/bonsai/bonsai/bim/data/cache/.gitignore
similarity index 56%
rename from src/bonsai/bonsai/bim/data/cache/shapes/.gitignore
rename to src/bonsai/bonsai/bim/data/cache/.gitignore
index d6b7ef32c8..7c9d611b59 100644
--- a/src/bonsai/bonsai/bim/data/cache/shapes/.gitignore
+++ b/src/bonsai/bonsai/bim/data/cache/.gitignore
@@ -1,2 +1,3 @@
 *
 !.gitignore
+!README.md
diff --git a/src/bonsai/bonsai/bim/data/cache/README.md b/src/bonsai/bonsai/bim/data/cache/README.md
new file mode 100644
index 0000000000..0a51fc4a12
--- /dev/null
+++ b/src/bonsai/bonsai/bim/data/cache/README.md
@@ -0,0 +1 @@
+This cache folder contains .h5 files. These files cache IFC geometry for performance only. You may safely clear the contents of this cache folder without losing data.