Hi,
Facets have positions which are not necessarily their center of mass,
which makes the contribution mass*distance to inertia not fully consistent.
Note also that discretization=100 is not a good idea since facets have
no volume. Fortunately it seems to work still, for some reason, but I
suggest discretization=0 to be sure.
Note also (2) that if you want to simulate polyhedra with clumped facets
it will probably not work very well. Better use true Polyhedra or
clumped Pfacets.
Regards
Bruno
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