cLength = 1 ;
Px = 0.0 ; Py = 0.0 ; Pz = 0.0 ;
dx = 2 ;
dz = 4 ;	

Point (1) = {Px, 		Py, Pz, cLength};
Point (2) = {Px+dx, 	Py, Pz, cLength};
Point (3) = {Px+(2*dx),	Py, Pz, cLength};
Point (4) = {Px+(10*dx),Py, Pz, cLength};

Circle(5) = {2,1,2};
Circle(6) = {3,1,3};
Circle(7) = {4,1,4};

Line Loop(20) = {5};
Plane Surface(21) = {20};

Line Loop(22) = {6};
Plane Surface(23) = {22,20};

Line Loop(24) = {7};
Plane Surface(25) = {24,22};


Extrude Surface { 21, {0, 0, dz} } ;
