Mesh.Algorithm = 6;
lc = .05;
L = .2;
Point(1) = {0, 0, 0, lc};
Point(2) = {1, 0, 0, lc};
Point(3) = {1, 1, 0, lc};
Point(4) = {0, 1, 0, lc};
Point(5) = {L, 1, 0, lc};
Point(6) = {L, 0, 0, lc};
Point(7) = {L, L, 0, lc};
Point(8) = {0., L, 0, lc};
Point(9) = {1, 1-L, 0, lc};
Point(10) = {L, 1-L, 0, lc};
Point(11) = {1, L, 0, lc};
Point(12) = {0, 1-L, 0, lc};
Circle(1) = {12, 10, 5};
Line(2) = {12, 8};
Line(3) = {8, 1};
Line(4) = {1, 6};
Line(5) = {6, 2};
Line(6) = {2, 11};
Line(7) = {11, 9};
Line(8) = {9, 10};
Line(9) = {10, 7};
Line(10) = {7, 11};
Line(11) = {5, 3};
Line(12) = {3, 9};
Line Loop(13) = {1, 11, 12, 8, 9, 10, -6, -5, -4, -3, -2};
Plane Surface(14) = {13};
Line Loop(15) = {8, 9, 10, 7};
Plane Surface(16) = {15};
nh = 3;
eps = .01;
H = .4;
Extrude {0, 0, eps} {
  Surface{16};
  Layers{nh,1};
}
//Extrude {0, 0, H-eps} {
//  Surface{38};
//}
Coherence;Extrude {0, 0, eps} {
  Surface{14};
}
Extrude {0, 0, H-eps} {
  Surface{95, 38};
}
Delete {
  Volume{3, 2};
}
Surface Loop(175) = {152, 111, 115, 119, 151, 147, 143, 139, 135, 94, 14, 54, 58, 62, 78, 82, 86, 90, 29, 33, 25, 127, 131, 123};
Volume(176) = {175};
