diff --git a/invesalius/data/styles.py b/invesalius/data/styles.py
index b375e38..636b5a8 100644
--- a/invesalius/data/styles.py
+++ b/invesalius/data/styles.py
@@ -1933,6 +1933,7 @@ class SelectPartConfig(object):
     def __init__(self):
         self.mask = None
         self.con_3d = 6
+        self.dlg_visible = False
 
 
 class SelectMaskPartsInteractorStyle(DefaultInteractorStyle):
@@ -1947,7 +1948,7 @@ class SelectMaskPartsInteractorStyle(DefaultInteractorStyle):
         self.slice_data = viewer.slice_data
 
         self.config = SelectPartConfig()
-        self.dlg_ffill = None
+        self.dlg = None
 
         self.t0 = 254
         self.t1 = 255
@@ -1955,9 +1956,21 @@ class SelectMaskPartsInteractorStyle(DefaultInteractorStyle):
 
         self.AddObserver("LeftButtonPressEvent", self.OnSelect)
 
+    def SetUp(self):
+        if not self.config.dlg_visible:
+            self.config.dlg_visible = True
+            self.dlg= dialogs.SelectPartsOptionsDialog(self.config)
+            self.dlg.Show()
+
     def CleanUp(self):
+        if (self.dlg is not None) and (self.config.dlg_visible):
+            self.config.dlg_visible = False
+            self.dlg.Destroy()
+            self.dlg = None
+
         if self.config.mask:
             self.viewer.slice_.SelectCurrentMask(self.config.mask.index)
+            Publisher.sendMessage('Change mask selected', self.config.mask.index)
             self.config.mask = None
             del self.viewer.slice_.aux_matrices['SELECT']
             self.viewer.slice_.to_show_aux = ''
diff --git a/invesalius/gui/dialogs.py b/invesalius/gui/dialogs.py
index 2578ab7..4b445de 100644
--- a/invesalius/gui/dialogs.py
+++ b/invesalius/gui/dialogs.py
@@ -1940,3 +1940,68 @@ class FFillOptionsDialog(wx.Dialog):
             Publisher.sendMessage('Disable style', const.SLICE_STATE_MASK_FFILL)
         evt.Skip()
         self.Destroy()
+
+
+class SelectPartsOptionsDialog(wx.Dialog):
+    def __init__(self, config):
+        pre = wx.PreDialog()
+        pre.Create(wx.GetApp().GetTopWindow(), -1, _(u"Select mask parts"), style=wx.DEFAULT_DIALOG_STYLE|wx.FRAME_FLOAT_ON_PARENT)
+        self.PostCreate(pre)
+
+        self.config = config
+
+        self._init_gui()
+
+    def _init_gui(self):
+        import data.mask as mask
+
+        default_name =  const.MASK_NAME_PATTERN %(mask.Mask.general_index+2)
+        self.target_name = wx.TextCtrl(self, -1)
+        self.target_name.SetValue(default_name)
+
+        # Connectivity 3D
+        self.conect3D_6 = wx.RadioButton(self, -1, "6", style=wx.RB_GROUP)
+        self.conect3D_18 = wx.RadioButton(self, -1, "18")
+        self.conect3D_26 = wx.RadioButton(self, -1, "26")
+
+        if self.config.con_3d == 18:
+            self.conect3D_18.SetValue(1)
+        elif self.config.con_3d == 26:
+            self.conect3D_26.SetValue(1)
+        else:
+            self.conect3D_6.SetValue(1)
+
+        sizer = wx.GridBagSizer(11, 6)
+        sizer.AddStretchSpacer((0, 0))
+
+        sizer.Add(wx.StaticText(self, -1, _(u"Target mask name")), (1, 0), (1, 2), flag=wx.LEFT, border=7)
+        sizer.Add(self.target_name, (1, 3),  (1, 3), flag=wx.RIGHT, border=7)
+
+        sizer.AddStretchSpacer((2, 0))
+
+        sizer.Add(wx.StaticText(self, -1, _(u"3D Connectivity")), (3, 0), (1, 6), flag=wx.LEFT, border=9)
+        sizer.Add(self.conect3D_6, (4, 0), flag=wx.LEFT, border=9)
+        sizer.Add(self.conect3D_18, (4, 1), flag=wx.LEFT, border=9)
+        sizer.Add(self.conect3D_26, (4, 2), flag=wx.LEFT, border=9)
+        sizer.AddStretchSpacer((5, 0))
+
+        self.SetSizer(sizer)
+        sizer.Fit(self)
+        self.Layout()
+
+        self.Bind(wx.EVT_RADIOBUTTON, self.OnSetRadio)
+        self.Bind(wx.EVT_CLOSE, self.OnClose)
+
+    def OnSetRadio(self, evt):
+        if self.conect3D_6.GetValue():
+            self.config.con_3d = 6
+        elif self.conect3D_18.GetValue():
+            self.config.con_3d = 18
+        elif self.conect3D_26.GetValue():
+            self.config.con_3d = 2
+
+    def OnClose(self, evt):
+        if self.config.dlg_visible:
+            Publisher.sendMessage('Disable style', const.SLICE_STATE_SELECT_MASK_PARTS)
+        evt.Skip()
+        self.Destroy()
--
libgit2 0.21.2