diff --git a/invesalius/data/styles.py b/invesalius/data/styles.py
index 56b882e..24110a4 100644
--- a/invesalius/data/styles.py
+++ b/invesalius/data/styles.py
@@ -40,6 +40,7 @@ from scipy.ndimage import watershed_ift, generate_binary_structure
 from skimage.morphology import watershed
 from skimage import filter
 
+from gui import dialogs
 from .measures import MeasureData
 
 from . import floodfill
@@ -1750,7 +1751,15 @@ class ReorientImageInteractorStyle(DefaultInteractorStyle):
             buffer_.discard_image()
 
 
-class FlooFillMaskInteractorStyle(DefaultInteractorStyle):
+class FFillConfig(object):
+    __metaclass__= utils.Singleton
+    def __init__(self):
+        self.dlg_visible = False
+        self.target = "2D"
+
+
+class FloodFillMaskInteractorStyle(DefaultInteractorStyle):
+    dialog = None
     def __init__(self, viewer):
         DefaultInteractorStyle.__init__(self, viewer)
 
@@ -1761,6 +1770,13 @@ class FlooFillMaskInteractorStyle(DefaultInteractorStyle):
         self.slice_actor = viewer.slice_data.actor
         self.slice_data = viewer.slice_data
 
+        self.config = FFillConfig()
+
+        if not self.config.dlg_visible:
+            self.config.dlg_visible = True
+            dlg_ffill = dialogs.FFillOptionsDialog(self.config)
+            dlg_ffill.Show()
+
         self.viewer.slice_.do_threshold_to_all_slices()
 
         self.AddObserver("LeftButtonPressEvent", self.OnFFClick)
@@ -1793,7 +1809,7 @@ class FlooFillMaskInteractorStyle(DefaultInteractorStyle):
         cp_mask = mask.copy()
 
         from_3d = True
-        if from_3d:
+        if self.config.target == "3D":
             neighbor_iter = ((-1, 0, 0),
                              (1,  0, 0),
                              (0,  -1, 0),
@@ -1806,11 +1822,11 @@ class FlooFillMaskInteractorStyle(DefaultInteractorStyle):
                              (0,  -1, 0),
                              (0,  1, 0))
 
-        neighbor_iter = []
-        for i in xrange(-1, 2):
-            for j in xrange(-1, 2):
-                for k in xrange(-1, 2):
-                    neighbor_iter.append((i, j, k))
+        #  neighbor_iter = []
+        #  for i in xrange(-1, 2):
+            #  for j in xrange(-1, 2):
+                #  for k in xrange(-1, 2):
+                    #  neighbor_iter.append((i, j, k))
 
         if iren.GetControlKey():
             t0 = 254
@@ -1887,7 +1903,7 @@ def get_style(style):
         const.SLICE_STATE_EDITOR: EditorInteractorStyle,
         const.SLICE_STATE_WATERSHED: WaterShedInteractorStyle,
         const.SLICE_STATE_REORIENT: ReorientImageInteractorStyle,
-        const.SLICE_STATE_MASK_FFILL: FlooFillMaskInteractorStyle,
+        const.SLICE_STATE_MASK_FFILL: FloodFillMaskInteractorStyle,
     }
     return STYLES[style]
 
diff --git a/invesalius/gui/dialogs.py b/invesalius/gui/dialogs.py
index 083227a..5c57e0d 100644
--- a/invesalius/gui/dialogs.py
+++ b/invesalius/gui/dialogs.py
@@ -1838,3 +1838,47 @@ def BitmapNotSameSize():
  
     dlg.ShowModal()
     dlg.Destroy()
+
+
+class FFillOptionsDialog(wx.Dialog):
+    def __init__(self, config):
+        pre = wx.PreDialog()
+        pre.Create(wx.GetApp().GetTopWindow(), -1, _(u'Floodfill'), style=wx.DEFAULT_DIALOG_STYLE|wx.FRAME_FLOAT_ON_PARENT)
+        self.PostCreate(pre)
+
+        self.config = config
+
+        self._init_gui()
+
+    def _init_gui(self):
+        sizer = wx.GridBagSizer(3, 1)
+
+        flag_labels = wx.ALIGN_RIGHT  | wx.ALIGN_CENTER_VERTICAL
+
+        self.target = wx.RadioBox(self, -1, _(u"Target"),
+                                 choices=[_(u"Slice"), _(u"Volume")],
+                                 style=wx.NO_BORDER | wx.HORIZONTAL)
+
+        if self.config.target == "2D":
+            self.target.SetSelection(0)
+        else:
+            self.target.SetSelection(1)
+
+        sizer.Add(self.target, (0, 0))
+
+        self.SetSizer(sizer)
+        sizer.Fit(self)
+        self.Layout()
+
+        self.target.Bind(wx.EVT_RADIOBOX, self.OnSetTarget)
+        self.Bind(wx.EVT_CLOSE, self.OnClose)
+
+    def OnSetTarget(self, evt):
+        if self.target.GetSelection() == 0:
+            self.config.target = "2D"
+        else:
+            self.config.target = "3D"
+
+    def OnClose(self, evt):
+        self.config.dlg_visible = False
+        evt.Skip()
--
libgit2 0.21.2