covering: 9-point arrangement

Coordinates
-0.6690310.7060490.232148
-0.000000-0.822140-0.569286
0.6596560.117685-0.742297
-0.936216-0.3441110.071330
-0.000000-0.8645590.502531
-0.0004310.1284260.991719
0.943710-0.2058540.258911
-0.4538420.341474-0.823057
0.4501660.8898200.074638
Konvex Hull
Tangential Polyhedron
Your browser does not support the HTML5 canvas element.