diff --git a/pcbdevice/UI/UI.py b/pcbdevice/UI/UI.py
new file mode 100644
index 0000000..4145978
--- /dev/null
+++ b/pcbdevice/UI/UI.py
@@ -0,0 +1,54 @@
+from tkinter import *
+
+from pcbdevice.main import main
+
+root = Tk()
+frame = Frame(root)
+frame.pack()
+
+class textBox:
+  def __init__(self, master, parameter):
+    self.master = master
+    self.createWidget(master, parameter)
+
+  def createWidget(self, master, parameter):
+    frame = Frame(master, width=500, height=30, )
+    frame.pack(side=TOP)
+    frame.pack_propagate(0)
+
+    Text = Label(frame, text=parameter)
+    Text.pack(side=LEFT)
+    self.Box = Entry(frame)
+    self.Box.pack(side=RIGHT)
+
+class button:
+	def __init__(self, master):
+		self.master = master
+		self.createWidget(master)
+
+	def execution(self):
+		main(PCB.Box.get(), Gcode.Box.get(), bool(ascii.Box.get()), int(Width.Box.get()), int(Height.Box.get()),
+		     int(radius.Box.get()), unit.Box.get())
+
+	def createWidget(self, master):
+		frame = Frame(master, width=500, height=30, )
+		frame.pack(side=BOTTOM)
+		frame.pack_propagate(0)
+		Butt = Button(frame, text = 'execute program', command = self.execution)
+		Butt.pack(side = RIGHT)
+
+root.title('totally not a virus')
+root.geometry("550x300")
+
+#path = textBox(root, 'Program path')
+PCB = textBox(root, 'PCB image path')
+Gcode = textBox(root, 'Gcode output path')
+ascii = textBox(root, 'If the image is in ascii(True) or binary(False)')
+Width = textBox(root, 'Width of the PCB')
+Height = textBox(root, 'Height of the PCB')
+radius = textBox(root, 'Tool\'s radius in mm')
+unit = textBox(root, 'PCB dimension unit')
+
+button = button(root)
+
+root.mainloop()
diff --git a/pcbdevice/UI/__init__.py b/pcbdevice/UI/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/pcbdevice/gcode/GcodeCreator.py b/pcbdevice/gcode/GcodeCreator.py
index e7778d5..8636052 100644
--- a/pcbdevice/gcode/GcodeCreator.py
+++ b/pcbdevice/gcode/GcodeCreator.py
@@ -77,7 +77,11 @@ def findDirection(image, line, column):
 
 
 def createSequence(image):
-
+	"""
+	Create a sequence of index coordinates from a path matrix
+	:param image: matrix of the path the tool needs to take
+	:return: Array of class coordinates (X , Y)  
+	"""
 	width = len(image[0])
 	height = len(image)
 	sequence = []