upload what you have
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Lamp.gh (15.7 KB)
How come it’s only rhino 7? I never see rhino 8 corporate ones
if you dig deep enough you’ll find even corporate outlook express 
The actual construction looks like a “waffle” or “grillage” assembly that is a “radial” arrangement.
Lots of posts out there, but most recently this one:
Waffle structure script cannot create intersection ribs for laser cut - Grasshopper - McNeel Forum