diff --git a/RebarDistribution.py b/RebarDistribution.py
new file mode 100644
index 00000000..3051520c
--- /dev/null
+++ b/RebarDistribution.py
@@ -0,0 +1,85 @@
+# -*- coding: utf-8 -*-
+# ***************************************************************************
+# *                                                                         *
+# *   Copyright (c) 2017 - Amritpal Singh <amrit3701@gmail.com>             *
+# *                                                                         *
+# *   This program is free software; you can redistribute it and/or modify  *
+# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
+# *   as published by the Free Software Foundation; either version 2 of     *
+# *   the License, or (at your option) any later version.                   *
+# *   for detail see the LICENCE text file.                                 *
+# *                                                                         *
+# *   This program is distributed in the hope that it will be useful,       *
+# *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+# *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+# *   GNU Library General Public License for more details.                  *
+# *                                                                         *
+# *   You should have received a copy of the GNU Library General Public     *
+# *   License along with this program; if not, write to the Free Software   *
+# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
+# *   USA                                                                   *
+# *                                                                         *
+# ***************************************************************************
+
+__title__ = "DialogDistribution"
+__author__ = "Amritpal Singh"
+__url__ = "https://www.freecadweb.org"
+
+from PySide import QtCore, QtGui
+from Rebarfunc import *
+from PySide.QtCore import QT_TRANSLATE_NOOP
+import FreeCAD
+import FreeCADGui
+import os
+import sys
+import math
+
+class _RebarDistributionDialog():
+    def __init__(self, Rebar):
+        self.form = FreeCADGui.PySideUic.loadUi(os.path.splitext(__file__)[0] + ".ui")
+        self.form.setWindowTitle(QtGui.QApplication.translate("Arch", "Rebar Distribution", None))
+        self.Rebar = Rebar
+
+    def accept(self):
+        amount1 = self.form.amount1.value()
+        spacing1 = self.form.spacing1.text()
+        spacing1 = FreeCAD.Units.Quantity(spacing1).Value
+        amount2 = self.form.amount2.value()
+        spacing2 = self.form.spacing2.text()
+        spacing2 = FreeCAD.Units.Quantity(spacing2).Value
+        amount3 = self.form.amount3.value()
+        spacing3 = self.form.spacing3.text()
+        spacing3 = FreeCAD.Units.Quantity(spacing3).Value
+        setRebarDistribution(self.Rebar, amount1, spacing1, amount2, spacing2, amount3, spacing3)
+
+    def setupUi(self):
+        # Connect Signals and Slots
+        self.form.buttonBox.accepted.connect(self.accept)
+        pass
+
+def setRebarDistribution(Rebar, amount1, spacing1, amount2, spacing2, amount3, spacing3):
+    import ArchCommands
+    structure = Rebar.Host
+    # Check if sketch support is empty.
+    if not Rebar.Base.Support:
+        showWarning("You have checked remove external geometry of base sketchs when needed.\nTo unchecked Edit->Preferences->Arch.")
+        return
+    facename = Rebar.Base.Support[0][1][0]
+    face = structure.Shape.Faces[int(facename[-1]) - 1]
+    size = (ArchCommands.projectToVector(structure.Shape.copy(), face.normalAt(0, 0))).Length
+    print size
+    if spacing1 and spacing2 and spacing3:
+        seg1_area = amount1 * spacing1 - spacing1 / 2
+        seg3_area = amount3 * spacing3 - spacing3 / 2
+        seg2_area = size - seg1_area - seg3_area - Rebar.OffsetStart.Value - Rebar.OffsetEnd.Value
+        actual_amount2 = math.ceil(seg2_area / spacing2)
+        actual_spacing2 = seg2_area / actual_amount2
+    CustomSpacing = str(amount1)+"@"+str(spacing1)+"+"+str(int(actual_amount2))+"@"+str(actual_spacing2)+"+"+str(amount3)+"@"+str(spacing3)
+    Rebar.CustomSpacing = CustomSpacing
+    print CustomSpacing
+    FreeCAD.ActiveDocument.recompute()
+
+
+dialog = _RebarDistributionDialog(FreeCAD.ActiveDocument.Rebar)
+dialog.setupUi()
+dialog.form.exec_()