diff --git a/.gitignore b/.gitignore
index 4b3d3c7c7ae591b2c42e3e28a5e8cacfae256a6b..5107330345b6a33754cdfbb1155a486002a8c967 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,7 +6,7 @@ node_modules
 *.stl
 *.obj
 *.mtl
-CAD
+CAD/*
 tutorial
 newTendon
 live
diff --git a/CAD/test.stl b/CAD/test.stl
new file mode 100644
index 0000000000000000000000000000000000000000..93dae99dba276e5aafddb786ac6bc23169d06602
Binary files /dev/null and b/CAD/test.stl differ