lc = 5e-4;
mm = 1e-3;
Rint = 20*mm;
e1 = 0.866*Rint;
e2 = 0.5*Rint;
Point(1) = {0,0,0,lc};
Point(2) = {0,Rint,0,lc};
Point(3) = {e1,e2,0,lc};
Circle(1) = {2,1,3};
IntP1 = 21.5*mm;
e3 = 0.866*IntP1;
e4 = 0.5*IntP1;
Point(4) = {0,IntP1,0,lc};
Point(5) = {e3,e4,0,lc};
Circle(2) = {4,1,5};
Line(3) = {2,4};
Line(4) = {3,5};
Line Loop(5) = {4,-2,-3,1};
Plane Surface(6) = {5};
Extrude Surface {6, {0,0 ,0.6}};
Physical Surface(29) = {28};
Physical Surface(30) = {6};
Physical Surface(31) = {15};
Physical Surface(32) = {27};
Physical Surface(33) = {19};
Physical Surface(34) = {23};
Surface Loop(35) = {27,6,15,19,23,28};
Volume(36) = {35};
Physical Volume(37) = {36};
