diff --git a/Scripts/CurrentSettings.cs b/Scripts/CurrentSettings.cs
index 2bce6d6a..e6be9877 100644
--- a/Scripts/CurrentSettings.cs
+++ b/Scripts/CurrentSettings.cs
@@ -372,6 +372,29 @@ public static bool AlwaysSnapToCurrentGrid {
                 PlayerPrefs.SetInt(KEY_PREFIX + "alwaysSnapToCurrentGrid", value ? 1 : 0);
             }
         }
+
+        // Experimental options
+
+        public static MainMode[] enabledModes {
+            get {
+                MainMode[] output = (MainMode[]) Enum.GetValues(typeof(MainMode));
+
+                if (!VertexPaintToolEnabled) {
+                    output = Array.FindAll(output, e => { return e != MainMode.Paint; });
+                }
+
+                return output;
+            }
+        }
+
+        public static bool VertexPaintToolEnabled {
+            get {
+                return PlayerPrefs.GetInt(KEY_PREFIX + "VertexPaintToolEnabled") == 1;
+            }
+            set {
+                PlayerPrefs.SetInt(KEY_PREFIX + "VertexPaintToolEnabled", value ? 1 : 0);
+            }
+        }
     }
 }
 
diff --git a/Scripts/UI/SabreCSGPreferences.cs b/Scripts/UI/SabreCSGPreferences.cs
index 5018b461..225b1660 100644
--- a/Scripts/UI/SabreCSGPreferences.cs
+++ b/Scripts/UI/SabreCSGPreferences.cs
@@ -117,9 +117,17 @@ public static void PreferencesGUI()
             }
 
             EditorGUILayout.Space();
-            EditorGUI.indentLevel = 1;
-            EditorGUILayout.LabelField("Developer Options", EditorStyles.boldLabel);
-            EditorGUI.indentLevel = 0;
+            using (new EditorGUI.IndentLevelScope()) {
+                EditorGUILayout.LabelField("Experimental Options", EditorStyles.boldLabel);
+            }
+            EditorGUILayout.Space();
+
+            CurrentSettings.VertexPaintToolEnabled = GUILayout.Toggle(CurrentSettings.VertexPaintToolEnabled, "Vertex paint tool");
+
+            EditorGUILayout.Space();
+            using (new EditorGUI.IndentLevelScope()) {
+                EditorGUILayout.LabelField("Developer Options", EditorStyles.boldLabel);
+            }
             EditorGUILayout.Space();
 
             EditorGUI.BeginChangeCheck();
diff --git a/Scripts/UI/SabreGUILayout.cs b/Scripts/UI/SabreGUILayout.cs
index 11abf3b6..8de28a88 100644
--- a/Scripts/UI/SabreGUILayout.cs
+++ b/Scripts/UI/SabreGUILayout.cs
@@ -305,6 +305,11 @@ public static GUIStyle FormatStyle(Color textColor, int fontSize, FontStyle font
             }
         }
 
+        /// <summary>
+        /// Displays a list of enum buttons.
+        /// </summary>
+        /// <param name="value">The active value enum.</param>
+        /// <returns>The enum selected when the user clicks one of the buttons.</returns>
         public static T DrawEnumGrid<T>(T value, params GUILayoutOption[] options) where T : struct, IConvertible
         {
             if (!typeof(T).IsEnum)
@@ -347,6 +352,60 @@ public static T DrawEnumGrid<T>(T value, params GUILayoutOption[] options) where
             return value;
         }
 
+        /// <summary>
+        /// Displays a list of enum buttons, using only the provided enums.
+        /// </summary>
+        /// <param name="value">The active value enum.</param>
+        /// <param name="enabled">The visible enum values.</param>
+        /// <returns>The enum selected when the user clicks one of the buttons.</returns>
+        public static T DrawPartialEnumGrid<T>(T value, T[] enabled, params GUILayoutOption[] options) where T : struct, IConvertible
+        {
+            if (!typeof(T).IsEnum)
+            {
+                throw new ArgumentException("DrawEnumGrid must be passed an enum");
+            }
+            GUILayout.BeginHorizontal();
+
+            T[] enabledList = enabled;
+            T[] baseList = (T[]) Enum.GetValues(value.GetType());
+
+            for (int i = 0; i < baseList.Length; i++)
+            {
+                if (Array.IndexOf(enabledList, baseList[i]) == -1) {
+                    continue;
+                }
+
+                GUIStyle activeStyle;
+                if (baseList.Length == 1) // Only one button
+                {
+                    activeStyle = EditorStyles.miniButton;
+                }
+                else if (i == 0) // Left-most button
+                {
+                    activeStyle = EditorStyles.miniButtonLeft;
+                }
+                else if (i == baseList.Length - 1) // Right-most button
+                {
+                    activeStyle = EditorStyles.miniButtonRight;
+                }
+                else // Normal mid button
+                {
+                    activeStyle = EditorStyles.miniButtonMid;
+                }
+
+                bool isActive = (Convert.ToInt32(value) == i);
+                //				string displayName = StringHelper.ParseDisplayString(names[i]);
+                string displayName = baseList[i].ToString();
+                if (GUILayout.Toggle(isActive, displayName, activeStyle, options))
+                {
+                    value = (T)Enum.ToObject(typeof(T), i);
+                }
+            }
+
+            GUILayout.EndHorizontal();
+            return value;
+        }
+
         public static bool DrawUVField(Rect rect, float? sourceFloat, ref string floatString, string controlName, GUIStyle style)
         {
             if (!sourceFloat.HasValue)
diff --git a/Scripts/UI/Toolbar.cs b/Scripts/UI/Toolbar.cs
index 3b578b0c..d5055f44 100644
--- a/Scripts/UI/Toolbar.cs
+++ b/Scripts/UI/Toolbar.cs
@@ -135,7 +135,7 @@ private static void OnTopToolbarGUI(int windowID)
             {
                 currentMode = (MainMode)(-1);
             }
-            MainMode newMainMode = SabreGUILayout.DrawEnumGrid(currentMode, GUILayout.Width(50));
+            MainMode newMainMode = SabreGUILayout.DrawPartialEnumGrid(currentMode, CurrentSettings.enabledModes, GUILayout.Width(50));
             if(newMainMode != currentMode)
             {
                 csgModel.SetCurrentMode(newMainMode);