non_convex_mesh.vtk

# vtk DataFile Version 2.0
Example of non-convex tetrahedral mesh
ASCII
DATASET UNSTRUCTURED_GRID
POINTS 6 double
0.0 0.0 0.0
1.0 0.0 0.0
0.0 1.0 0.0
0.0 0.0 1.0
0.2 0.2 0.2
0.1 0.1 0.1

CELLS 6 30
4   5 4 1 2
4   5 4 2 3
4   5 4 3 1
4   5 0 3 2
4   5 0 2 1
4   5 0 1 3

CELL_TYPES 6
10
10
10
10
10
10