circularSegments = 12;
lengthSegments = 200;
Point(1) = {0.025, 0.0, -0.1, 1.0};
Point(2) = {0.025, 0.0, 0.53, 1.0};
Line(1) = {1, 2};
Extrude {{0, 0, -1}, {0, 0, 0}, Pi/2} {
  Line{1};
  Layers{circularSegments};
}
Extrude {{0, 0, -1}, {0, 0, 0}, Pi/2} {
  Line{2};
  Layers{circularSegments};
}
Extrude {{0, 0, -1}, {0, 0, 0}, Pi/2} {
  Line{6};
  Layers{circularSegments};
}
Extrude {{0, 0, -1}, {0, 0, 0}, Pi/2} {
  Line{10};
  Layers{circularSegments};
}
Transfinite Line {1, 2, 6, 10} = lengthSegments Using Progression 1;

