zg1  = 0.0025;
tg1  = 0.0004;
rg1  = 0.0005;
dg   = 0.0025;
zg2  = zg1+tg1+dg;
tg2  = tg1;
rg2  = rg1;
zEnd = 0.0042;
Lz   = zg2 + tg2 + zEnd;
Lr   = rg1 + 0.0001;

Lcell = 0.0001;

Point(1)  = {      0,     0,     0, 1};
Point(2)  = {    zg1,     0,     0, 1};
Point(3)  = {zg1+tg1,     0,     0, 1};
Point(4)  = {    zg2,     0,     0, 1};
Point(5)  = {zg2+tg2,     0,     0, 1};
Point(6)  = {     Lz,     0,     0, 1};
Point(7)  = {     Lz,   rg2,     0, 1};
Point(8)  = {     Lz,    Lr,     0, 1};
Point(9)  = {zg2+tg2,    Lr,     0, 1};
Point(10) = {zg2+tg2,   rg2,     0, 1};
Point(11) = {    zg2,   rg2,     0, 1};
Point(12) = {    zg2,    Lr,     0, 1};
Point(13) = {zg1+tg1,    Lr,     0, 1};
Point(14) = {zg1+tg1,   rg1,     0, 1};
Point(15) = {    zg1,   rg1,     0, 1};
Point(16) = {    zg1,    Lr,     0, 1};
Point(17) = {      0,    Lr,     0, 1};
Point(18) = {      0,   rg1,     0, 1};

Line(1)  = {1,  2};
Line(2)  = {2,  3};
Line(3)  = {3,  4};
Line(4)  = {4,  5};
Line(5)  = {5,  6};
Line(6)  = {6,  7};
Line(7)  = {7,  8};
Line(8)  = {8,  9};
Line(9)  = {9,  10};
Line(10) = {10, 11};
Line(11) = {11, 12};
Line(12) = {12, 13};
Line(13) = {13, 14};
Line(14) = {14, 15};
Line(15) = {15, 16};
Line(16) = {16, 17};
Line(17) = {17, 18};
Line(18) = {18, 1};
Line(19) = {2,  15};
Line(20) = {3,  14};
Line(21) = {4,  11};
Line(22) = {5,  10};
Line(23) = {10, 7};
Line(24) = {14, 11};
Line(25) = {18, 15};

Line Loop(1) = {1, 19, -25, 18};
Plane Surface(1) = {1};
Line Loop(2) = {2, 20,  14,-19};
Plane Surface(2) = {2};
Line Loop(3) = {3, 21, -24,-20};
Plane Surface(3) = {3};
Line Loop(4) = {4, 22,  10,-21};
Plane Surface(4) = {4};
Line Loop(5) = {5,  6, -23,-22};
Plane Surface(5) = {5};
Line Loop(6) = {23, 7,   8,  9};
Plane Surface(6) = {6};
Line Loop(7) = {24, 11, 12, 13};
Plane Surface(7) = {7};
Line Loop(8) = {25, 15, 16, 17};
Plane Surface(8) = {8};

Physical Line(1) = {18, 17};
Physical Line(2) = {6, 7};
Physical Line(3) = {16, 12, 8};
Physical Line(4) = {15, 14, 13};
Physical Line(5) = {11, 10, 9};
Physical Line(6) = {1, 2, 3, 4, 5};

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};

Transfinite Line {1, 25, 16} = zg1/Lcell + 1 Using Progression 1;
Transfinite Line {2, 14, 4, 10} = tg1/Lcell + 1 Using Progression 1;
Transfinite Line {3, 24, 12} = dg/Lcell + 1 Using Progression 1;
Transfinite Line {5, 23, 8}  = (Lz-tg2-zg2)/Lcell + 1 Using Progression 1;
Transfinite Line {18, 19, 20, 21, 22, 6} = rg1/Lcell + 1 Using Progression 1;
Transfinite Line {17, 15, 13, 11, 9, 7}  = (Lr-rg1)/Lcell + 1 Using Progression 1;


Transfinite Surface{1};
Recombine Surface {1};
Transfinite Surface{2};
Recombine Surface {2};
Transfinite Surface{3};
Recombine Surface {3};
Transfinite Surface{4};
Recombine Surface {4};
Transfinite Surface{5};
Recombine Surface {5};
Transfinite Surface{6};
Recombine Surface {6};
Transfinite Surface{7};
Recombine Surface {7};
Transfinite Surface{8};
Recombine Surface {8};