Кнопка в виде шестиугольника

import sip
sip.setapi('QVariant', 2)
 
from PyQt4 import QtCore, QtGui
 
#import basicdrawing_rc
import math
 
class RenderArea(QtGui.QWidget):
    Polygon = range(1)
 
    def __init__(self, parent=None):
        super(RenderArea, self).__init__(parent)
        self.shape = RenderArea.Polygon
 
    def getPolygon6(self, x, y):
        return QtGui.QPolygon([
            QtCore.QPoint(x+30, y-50),
            QtCore.QPoint(x+80, y-50),
            QtCore.QPoint(x+110, y),
            QtCore.QPoint(x+80, y+50),
            QtCore.QPoint(x+30, y+50),
            QtCore.QPoint(x, y)
        ])
 
    def sizeHint(self):
        return QtCore.QSize(600, 500)
 
    def paintEvent(self, event):
        painter = QtGui.QPainter(self)
        if self.shape == RenderArea.Polygon:
            for x_p in range (100, 400, 160):
                for y_p in range(100, 400, 100):
                    painter.drawPolygon(self.getPolygon6(x_p, y_p))
                for y_p in range(150, 400, 100):
                    painter.drawPolygon(self.getPolygon6(x_p+80, y_p))
        painter.restore()
 
class Window(QtGui.QWidget):
    def __init__(self):
        super(Window, self).__init__()
        self.renderArea = RenderArea()
        mainLayout = QtGui.QGridLayout()
        mainLayout.addWidget(self.renderArea, 0, 0, 1, 4)
        self.setLayout(mainLayout)
        self.setWindowTitle("Basic Drawing")
        
    
if __name__ == '__main__':
    import sys
    app = QtGui.QApplication(sys.argv)
    window = Window()
    window.show()
    sys.exit(app.exec_())