tt5.geo

Point(1) = {0.0,0.0,0.0,1.0};
Point(2) = {1,0.0,0.0,1.0};
Point(3) = {.5,.1,0.0,1.0};
Point(4) = {.5,.2,0.0,1.0};
Point(5) = {0,.5,0.0,1.0};
Point(6) = {1,.55,0.0,1.0};
Point(7) = {0,0,1,1.0};

Line(1) = {2,6};
Line(2) = {5,1};
Spline(3) = {1,3,2};
Spline(4) = {5,4,6};

Point(8) = {0,.5,1,1.0};
Point(9) = {1,.5,1,1.0};
Point(10) = {1,0,1,1.0};

Line(7) = {6,9};
Line(8) = {9,10};
Line(9) = {10,2};
Line(10) = {10,7};
Line(11) = {7,1};
Line(12) = {5,8};
Line(13) = {8,7};
Line(14) = {8,9};