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Odd (To Me) Behavior Of Normals

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Old Codger:
Thanks for the reply, ENSONIQ5. You can achieve the same effect by creating a sphere and using the sphere properties editor you can select the "geodesic" option with the number of "levels set to the max which is 6. At the same time you can center it around the main axes and define an initial diameter. A single smoothing produces something similar to your #6 (without the inset panes) except that the resulting sphere already has edges essentially cutting it in half vertically and horizontally making it ideal for reducing it down to a single 8th wedge, doing the work to produce structural elements with transparent panels between, then mirroring, joining solids and merging points to go from a quarter dome to a full one with normals acting as they should. Probably have to do some editing at the areas where you would be joining the mirrored parts. Oh, and after I saw Johnr's pix I immediately abandoned the whole "triangular girders" idea as being utterly impractical. But that was my first "solution" anyhow before Johnr pointed out the "inset" and "shell" tools.

ENSONIQ5:
Using a geodesic sphere is a good solution, and as you say the topology lends itself to being easily bisected into halves, quarters etc.  I'm not a big fan of the irregularity of it though, starting with a polygonal primitive results in all 'panes' being identical.  But, like most things in Anim8or, there are multiple ways of achieving what you need :)

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