diff --git a/tcl/attocube.addon b/tcl/attocube.addon
new file mode 100644
index 0000000..3bb93d5
--- /dev/null
+++ b/tcl/attocube.addon
@@ -0,0 +1,6 @@
+addonDesc = atto cube
+
+set ::secop_version 4
+
+makenv frappy_addons -driver secop
+