diff --git a/bin/TerrainFilters/demofilter.cs b/bin/TerrainFilters/demofilter.cs
new file mode 100644
index 0000000000..ded0ecaf14
--- /dev/null
+++ b/bin/TerrainFilters/demofilter.cs
@@ -0,0 +1,19 @@
+using System;
+using libTerrain;
+using OpenSim.Terrain;
+
+/// <summary>
+/// Summary description for Class1
+/// </summary>
+public class DemoFilter : ITerrainFilter
+{
+    public void Filter(Channel heightmap, string[] args)
+    {
+        Console.WriteLine("Hello world");
+    }
+
+    public string Register()
+    {
+        return "demofilter";
+    }
+}