Moment of Inertia of a Octahedron Calculator
This Calctown Calculator calculates the Moment of Inertia of a Solid and Hollow Octahedron about a Perpendicular axis passing through the center.
Moment of Inertia of a Octahedron Calculator

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where
Ihollow = Moment of Inertia of hollow octahedron
Isolid = Moment of Inertia of solid octahedron
m = mass of octahedron
s = side of octahedron