thomson: 9-point arrangement

Coordinates
-0.6520080.7232950.227441
-0.000000-0.788965-0.614438
0.6521150.131286-0.746666
-0.926472-0.3682270.077830
-0.000000-0.8546840.519148
-0.0002840.1816280.983367
0.926392-0.2388820.291089
-0.4628370.332318-0.821795
0.4631060.8823080.084060
Konvex Hull
Tangential Polyhedron
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