diff --git a/DNSD_Controls/GraphDirection.cs b/DNSD_Controls/GraphDirection.cs
new file mode 100644
index 0000000..d02cf36
--- /dev/null
+++ b/DNSD_Controls/GraphDirection.cs
@@ -0,0 +1,7 @@
+namespace DNSD_Controls
+{
+    public class GraphDirection
+    {
+        
+    }
+}
\ No newline at end of file
diff --git a/DNSD_Controls/HslArrow.cs b/DNSD_Controls/HslArrow.cs
new file mode 100644
index 0000000..5018f47
--- /dev/null
+++ b/DNSD_Controls/HslArrow.cs
@@ -0,0 +1,7 @@
+namespace DNSD_Controls
+{
+    public class HslArrow
+    {
+        
+    }
+}
\ No newline at end of file
diff --git a/DNSD_Controls/HslHelper.cs b/DNSD_Controls/HslHelper.cs
new file mode 100644
index 0000000..d352464
--- /dev/null
+++ b/DNSD_Controls/HslHelper.cs
@@ -0,0 +1,7 @@
+namespace DNSD_Controls
+{
+    public class HslHelper
+    {
+        
+    }
+}
\ No newline at end of file
diff --git a/DNSD_Controls/ReferenceAxis.cs b/DNSD_Controls/ReferenceAxis.cs
new file mode 100644
index 0000000..33cd1e1
--- /dev/null
+++ b/DNSD_Controls/ReferenceAxis.cs
@@ -0,0 +1,7 @@
+namespace DNSD_Controls
+{
+    public class ReferenceAxis
+    {
+        
+    }
+}
\ No newline at end of file