Suggestions for how to make this a solid

Would love suggestion as to how to extrude / make solid a very complicated Octahedron 5-Compound that has some of the facets cut out. Having a helluva time. I need it to be an empty shell with the stellated rhomboids shelled (the shell command isn’t working properly if i take each point, make a soild out of it and shell it). Can’t get the usual extrude methods to work - I’m trying each point separately, not as a whole unit. This for reference

  • Thank you

try with the Rhino Polyhedra plugin:

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I’ve got the shape :wink: need it to be hollow, with some of the facets missing - the rest shelled (not solid points) and connected. Cool plugin though!

Octahedron 5-Compound.3dm (259.5 KB)