diff --git a/mechanical/.gitignore b/mechanical/.gitignore
new file mode 100644
index 0000000..35324bd
--- /dev/null
+++ b/mechanical/.gitignore
@@ -0,0 +1,4 @@
+*.3mf
+*.stl
+*.step
+*.FCBak
\ No newline at end of file
diff --git a/mechanical/test-rig.FCStd b/mechanical/test-rig.FCStd
new file mode 100644
index 0000000..5ff0bed
Binary files /dev/null and b/mechanical/test-rig.FCStd differ