diff --git a/Examples/example15.scad b/Examples/example15.scad
new file mode 100644
index 0000000..ebec2f7
--- /dev/null
+++ b/Examples/example15.scad
@@ -0,0 +1,4 @@
+difference() {
+sphere(20);
+cylinder(r=17, h=100, center = true);
+}