cl__1=1;
Point(1) = {-1,-1,0,cl__1};
Point(2) = {-1,1,0,cl__1};
Point(3) = {1,1,0,cl__1};
Point(4) = {1,-1,0,cl__1};
Point(5) = {-1,-1,1,cl__1};
Point(6) = {-1,1,1,cl__1};
Point(7) = {1,1,1,cl__1};
Point(8) = {1,-1,1,cl__1};
Point(9) = {-0.5,-0.5,0,cl__1};
Point(10) = {-0.5,0.5,0,cl__1};
Point(11) = {0.5,0.5,0,cl__1};
Point(12) = {0.5,-0.5,0,cl__1};
Point(13) = {-0.5,-0.5,0.5,cl__1};
Point(14) = {-0.5,0.5,0.5,cl__1};
Point(15) = {0.5,0.5,0.5,cl__1};
Point(16) = {0.5,-0.5,0.5,cl__1};

Line(1) = {1,2};
Line(2) = {2,3};
Line(3) = {3,4};
Line(4) = {4,1};
Line(5) = {5,6};
Line(6) = {6,7};
Line(7) = {7,8};
Line(8) = {8,5};
Line(9) = {1,5};
Line(10)={2,6};
Line(11)={3,7};
Line(12)={4,8};
Line(13)={9,10};
Line(14)={10,11};
Line(15)={11,12};
Line(16)={12,9};
Line(17)={13,14};
Line(18)={14,15};
Line(19)={15,16};
Line(20)={16,13};
Line(21)={9,13};
Line(22)={10,14};
Line(23)={11,15};
Line(24)={12,16};

Curve Loop(1) = {1,2,3,4,13,14,15,16};
Curve Loop(2) = {5,6,7,8};
Curve Loop(3) = {5, -10, -1, 9};
Curve Loop(4) = {3, 12, -7, -11};
Curve Loop(5) = {4, 9, -8, -12};
Plane Surface(1) = {1};
Plane Surface(2) = {2};
Plane Surface(3) = {3};
Plane Surface(4) = {4};
Plane Surface(5) = {5};
//+
Curve Loop(6) = {2, 11, -6, -10};
//+
Plane Surface(6) = {6};
//+
Curve Loop(7) = {20, -21, -16, 24};
//+
Plane Surface(7) = {7};
//+
Curve Loop(8) = {13, 22, -17, -21};
//+
Plane Surface(8) = {8};
//+
Curve Loop(9) = {18, -23, -14, 22};
//+
Plane Surface(9) = {9};
//+
Curve Loop(10) = {19, -24, -15, 23};
//+
Plane Surface(10) = {10};
//+
Curve Loop(11) = {20, 17, 18, 19};
//+
Plane Surface(11) = {11};
//+
Physical Surface(1) = {1};
Physical Surface(2) = {2};
Physical Surface(3) = {3};
Physical Surface(4) = {4};
Physical Surface(5) = {5};
Physical Surface(6) = {6};
Physical Surface(7) = {7};
Physical Surface(8) = {8};
Physical Surface(9) = {9};
Physical Surface(10) = {10};
Physical Surface(11) = {11};

Surface Loop(1) = {1,2,3,4,5,6,7,8,9,10,11};
Volume(1) = {1};
Physical Volume = {1};