lc=0.1;
nr=16;
nl=30;

Point(1) = {0.4,0,0,lc};
Point(2) = {1,0,0,lc};

Line(1) = {1, 2};

Extrude {{0, 1, 0}, {0, 0, 0}, 2*Pi/3} {
  Line{1}; Layers{nr};
Recombine;
}
Extrude {{0, 1, 0}, {0, 0, 0}, 2*Pi/3} {
  Line{2}; Layers{nr};
Recombine;
}
Extrude {{0, 1, 0}, {0, 0, 0}, 2*Pi/3} {
  Line{6}; Layers{nr};
Recombine;
}
Coherence;
Line Loop(20) = {3,7,11};
Plane Surface(21) = {20};

outlet[] = Extrude{Surface{5,9,13,21};
	Layers{{30},{3}};
	Recombine;
};
