L = 0.1;
H = 0.6; 
y = 0;

lc = 40*1e-3;
lc_min = 20*1e-3;

// Defining the rotation 
alpha = 30*Pi/180; 
a1 = -L; b1 = -2*H; 
a2 = L;  b2 = -2*H; 
a3 = L;  b3 = 0; 
a4 = -L; b4 = 0; 
a5 = -L; b5 = -H; 
a6 = L;  b6 = -H; 
s = Sin(alpha); 
c = Cos(alpha); 

mx = 0; my = -0.52; 

Point(1) = {c*a4-s*b4, s*a4+c*b4, 0,lc_min}; 
Point(2) = {c*a1-s*b1, s*a1+c*b1, 0,lc_min}; //
Point(3) = {c*a2-s*b2, s*a2+c*b2, 0,lc_min}; //
Point(4) = {c*a3-s*b3, s*a3+c*b3, 0,lc_min}; 
Point(5) = {c*a5-s*b5, s*a5+c*b5, 0,lc_min}; 
Point(6) = {c*a6-s*b6, s*a6+c*b6, 0,lc_min}; 
Line(1) = {1, 5}; // Lateral left
Line(2) = {5, 2}; // Lateral left 2
Line(3) = {2, 3}; // Bottom
Line(4) = {3, 6}; // Lateral right
Line(5) = {6, 4}; // Lateral right 2
Line(6) = {4, 1}; // Top

Point(7) = {c*mx-s*my,s*mx+c*my,0};

Line Loop(1) = {1:6};

Plane Surface(1) = {1};
Physical Line("Bottom") = {3};
Physical Line("Lateral") = {1,2, 4, 5};
Physical Line("Top") = {6};
Physical Surface("Domain") = {1};
Physical Point("PtFix") = {1};
Mesh.Algorithm = 5;

Mesh.MshFileVersion = 2;