+++ /dev/null
-# vtk DataFile Version 3.0
-vtk output
-ASCII
-DATASET POLYDATA
-POINTS 12 float
-10 10 0
-20 10 0
-20 20 0
-10 20 0
-20 30 0
-10 30 0
-0 20 0
-0 10 0
-10 0 0
-20 0 0
-30 10 0
-30 20 0
-POLYGONS 10 40
-3 8 9 0
-3 2 10 11
-3 10 2 1
-3 2 5 3
-3 4 5 2
-3 7 0 6
-3 3 6 0
-3 9 1 0
-3 0 1 3
-3 1 2 3