cl__1 = 0.2;
cl__2 = 0.002;
Point(1) = {-0.5, 0, 0, cl__1};
Point(2) = {0, 0.5, 0, cl__1};
Point(3) = {0, 0, 0, cl__2};
Point(4) = {0, -0.5, 0, cl__1};
Point(5) = {0.5, 0, 0, cl__1};
Point(6) = {0., -0, 0.5, cl__1};
Circle(1) = {1, 3, 2};
Circle(2) = {2, 3, 5};
Circle(3) = {5, 3, 4};
Circle(4) = {4, 3, 1};
Line(5) = {1, 3};
Line(6) = {3, 5};
Line(11) = {6, 2};
Line(12) = {6, 1};
Line(13) = {6, 4};
Line(14) = {6, 5};
Line Loop(10) = {1, 2, 3, 4};
Plane Surface(10) = {10};

Line Loop(11) = {1, -11, 12};
Ruled Surface(11) = {11};
Line Loop(12) = {4, -12, 13};
Ruled Surface(12) = {12};
Line Loop(13) = {3, -13, 14};
Ruled Surface(13) = {13};
Line Loop(14) = {2, -14, 11};
Ruled Surface(14) = {14};
Surface Loop(21) = {-10, 11, 12, 13, 14};
Volume(21) = {21};
Physical Surface(9) = {12};
Physical Surface(10) = {14};
Physical Volume(1) = {21};