x=[ 3.066863  0.000000  -0.895572  1.689888  1.296467  -0.396998  0.000000  -5.071571  -2.352470  -4.853810  -3.141058 ];
y=[ 2.729263  0.000000  2.284687  5.760219  9.542724  8.521448  10.000000  7.807904  6.329459  3.650964  2.529280 ];
z=[ 0  0  0  0  0  0  0  0  0  0  0 ];
tri = [1 2 3; 2 3 11; 3 10 11; 3 9 10; 3 4 9; 4 6 9; 1 3 4; 5 6 7; 4 5 6; 6 7 8; 6 8 9];
trimesh(tri, x, y, z);