diff --git a/holder.scad b/holder.scad
new file mode 100644
index 0000000..5b04e27
--- /dev/null
+++ b/holder.scad
@@ -0,0 +1,8 @@
+difference()
+{
+	cylinder(10,10,10);
+	translate([0,0,2])
+	{	
+		cylinder(11,9,9);
+	}
+}