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Aug 1, 2012 at 11:20 comment added J. M.'s missing motivation Oh, I forgot: x / Norm[x] is the same as Normalize[x].
Jul 31, 2012 at 16:41 comment added whuber @Trevor The model needs no anti-aliasing; in fact, the concept doesn't even apply. But for sure the rendering used could use some anti-aliasing. Some good solutions have been posted at mathematica.stackexchange.com/questions/198/antialiasing-in-3d.
Jul 31, 2012 at 16:37 comment added Trevor Boyd Smith that 3d model needs some anti-aliasing... badly.
Jul 31, 2012 at 12:44 comment added J. M.'s missing motivation Oh, right. I use Lighting -> "Neutral" myself when using Glow[], but that works, too.
Jul 31, 2012 at 12:43 comment added whuber @J.M. That's a cool effect: to make it look right, you have to (1) use the correct colors (as in jVincent's reply) and (2) turn the lighting off (Lighting->None in Graphics3D).
Jul 31, 2012 at 10:44 comment added J. M.'s missing motivation If desired, one could do Riffle[Glow /@ colors, rings].
Jul 31, 2012 at 4:01 history answered whuber CC BY-SA 3.0