cl1 = 0.02;
Point(1) = {0, -0.5, -0.5, cl1};
Point(2) = {1, -0.5, -0.35, cl1};
Point(3) = {2, -0.5, -0.5, cl1};
Point(4) = {3, -0.5, -0.35, cl1};
Point(5) = {4, -0.5, -0.5, cl1};
Point(6) = {0, -0.25, -0.35, cl1};
Point(7) = {1, -0.25, -0.5, cl1};
Point(8) = {2, -0.25, -0.35, cl1};
Point(9) = {3, -0.25, -0.5, cl1};
Point(10) = {4, -0.25, -0.35, cl1};
Point(11) = {0, 0, -0.5, cl1};
Point(12) = {1, 0, -0.35, cl1};
Point(13) = {2, 0, -0.5, cl1};
Point(14) = {3, 0, -0.35, cl1};
Point(15) = {4, 0, -0.5, cl1};
Point(16) = {0, 0.25, -0.35, cl1};
Point(17) = {1, 0.25, -0.5, cl1};
Point(18) = {2, 0.25, -0.35, cl1};
Point(19) = {3, 0.25, -0.5, cl1};
Point(20) = {4, 0.25, -0.35, cl1};
Point(21) = {0, 0.5, -0.5, cl1};
Point(22) = {1, 0.5, -0.35, cl1};
Point(23) = {2, 0.5, -0.5, cl1};
Point(24) = {3, 0.5, -0.35, cl1};
Point(25) = {4, 0.5, -0.5, cl1};
Point(26) = {0, -0.5, 0, cl1};
Point(27) = {0, 0.5, 0, cl1};
Point(28) = {4, -0.5, 0, cl1};
Point(29) = {4, 0.5, 0, cl1};
Spline(1) = {21, 16, 11, 6, 1};
Spline(2) = {22, 17, 12, 7, 2};
Spline(4) = {24, 19, 14, 9, 4};
Spline(5) = {25, 20, 15, 10, 5};
Spline(8) = {15, 14, 13, 12, 11};
Spline(9) = {16, 17, 18, 19, 20};
Spline(10) = {25, 24, 23, 22, 21};
Line(11) = {29, 28};
Line(12) = {26, 27};
Line(13) = {26, 28};
Line(14) = {27, 29};
Line(15) = {26, 1};
Line(16) = {27, 21};
Line(17) = {28, 5};
Line(18) = {29, 25};
Spline(29) = {1, 2, 3, 4, 5};
Spline(30) = {6, 7, 8, 9, 10};
Spline(31) = {3, 8, 13, 18, 23};
Line Loop(35) = {29, -17, -13, 15};
Plane Surface(35) = {35};
Line Loop(37) = {1, -15, 12, 16};
Plane Surface(37) = {37};
Line Loop(39) = {10, -16, 14, 18};
Plane Surface(39) = {39};
Line Loop(41) = {5, -17, -11, 18};
Plane Surface(41) = {41};
Line Loop(43) = {14, 11, -13, 12};
Plane Surface(43) = {43};
