//+ Point(1) = {-0.9, -0.5, -0, 1.0}; //+ Point(2) = {0.3, -0.5, 0, 1.0}; //+ Point(3) = {0.6, 0.2, 0, 1.0}; //+ Point(4) = {0.2, 0.8, 0, 1.0}; //+ Point(5) = {-0.7, 0.7, -0, 1.0}; //+ Point(6) = {-1.1, 0, -0, 1.0}; //+ Line(1) = {1, 2}; //+ Line(2) = {2, 3}; //+ Line(3) = {3, 4}; //+ Line(4) = {4, 5}; //+ Line(5) = {5, 6}; //+ Line(6) = {6, 1}; //+ Line(7) = {2, 5}; //+ Line Loop(8) = {1, 7, 5, 6}; //+ Plane Surface(9) = {8}; //+ Line Loop(10) = {7, -4, -3, -2}; //+ Plane Surface(11) = {10}; //+ Extrude {0, 0, 1} { Surface{9}; } //+ Extrude {0, 0, 1} { Surface{11}; } //+ Physical Point("points") = {6, 1}; //+ Physical Line("lines") = {7, 23, 14, 19}; //+ Physical Surface("initial_surfaces") = {9, 11}; //+ Physical Surface("extruded_surfaces") = {33, 55}; //+ Physical Volume("v1") = {1}; //+ Physical Volume("v2") = {2};