R=[1,5,1,5,1,5];
T=[pi/4,pi/4,pi/6,pi/6,pi/8,pi/8];
Fl=[1,4,7,7,4,1];
Z=[0,0,0,0,0,0];
[X,Y,Z]=pol2cart(T,R,Z);
plot(X,Y,'x')