diff --git a/hp70-jig.scad b/hp70-jig.scad
new file mode 100644
index 0000000..214f211
--- /dev/null
+++ b/hp70-jig.scad
@@ -0,0 +1,9 @@
+/**
+ * 3D printable jig for cutting HP70 bass reflex tube at right angle on sawbench
+ */
+
+difference() {
+  translate([-40,-60,0]) cube([80, 60, 85]);
+  cylinder(d1=66, d2=70, h=85, $fn=100);
+  translate([-35,-55,0]) cube([70, 15, 85]);
+}
\ No newline at end of file