from Tkinter import * # this program creates a canvas and puts a single polygon on the canvas class Test(Frame): def printit(self): print "hi" def createWidgets(self): self.QUIT = Button(self, {'text': 'QUIT', 'fg': 'red', 'command': self.quit}) self.QUIT.pack({'side': 'bottom', 'fill': 'both'}) self.draw = Canvas(self, {"width" : "5i", "height" : "5i"}) # see the other demos for other ways of specifying coords for a polygon self.draw.create_polygon("0i", "0i", "3i", "0i", "3i", "3i", "0i" , "3i") self.draw.pack({'side': 'left'}) def __init__(self, master=None): Frame.__init__(self, master) Pack.config(self) self.createWidgets() test = Test() test.mainloop()