SetFactory("OpenCASCADE");

Mesh.Algorithm = 6;
Mesh.CharacteristicLengthMin = 0.1;
Mesh.CharacteristicLengthMax = 0.1;

Point(1) = {0,0,0};
Point(2) = {1,0,0};
Point(3) = {1,1,0};
Point(4) = {0,1,0};
Line(1) = {1,2};
Line(2) = {2,3};
Line(3) = {3,4};
Line(4) = {4,1};
Curve Loop(1) = {1,2,3,4};
Surface(1) = {1};
