cl1 = 0.5e-3;
h = 1.0e-3;
w = 3.0e-3;

Point(1)={0,0,0,cl1};
Point(2)={w,0,0,cl1};
Point(3)={w,h,0,cl1};
Point(4)={0,h,0,cl1};

Line(5)={1,2};
Line(6)={2,3};
Line(7)={3,4};
Line(8)={4,1};

Line Loop(9)={5,6,7,8};
Plane Surface(10)={9};

Physical Line(100)={6};
Physical Line(200)={8};
Physical Surface(300)={10};
