diff --git a/tests/taptest.scad b/tests/taptest.scad
new file mode 100644
index 0000000..4101ae3
--- /dev/null
+++ b/tests/taptest.scad
@@ -0,0 +1,12 @@
+use <threadlib/threadlib.scad>;
+
+intersection() {
+    union() {
+        difference() {
+            cylinder(r = 15, h = 20);
+            tap("G1/2", 8);
+        }
+        bolt("G1/2", 8);
+    }
+    cube([20, 20, 20]);
+}
\ No newline at end of file