diff --git a/render_all b/render_all
new file mode 100755
index 0000000..5287b29
--- /dev/null
+++ b/render_all
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+for z in `seq 0 18`
+do
+    (cd $z; ../../render_old -z $z -Z $z &> render.txt) &
+done