That is a very well laid out explanation, Earl. One question, and I cannot see it from your screendumps: does the thread spiral, or are those a sequence of rings at the base?
BTW, I discovered a way to do a thread by using four profiles. aligning them to their backs, and then skinning them. Attached is a picture of the threads technique, and then a render of it.
Kindest Regards,
Gary David Bouton
Gary@GaryDavidBouton.com
Free education! The Writings Web site
and the updated GaryWorld Gallery is pretty okay, too.
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