POV-Ray : Newsgroups : povray.binaries.images : Upgrading POV-Ray's include files #1: granites.inc --> granites21.inc : Re: Upgrading POV-Ray's include files#1:granites.inc-->granites21.inc Server Time
25 Jul 2021 11:05:50 EDT (-0400)
  Re: Upgrading POV-Ray's include files#1:granites.inc-->granites21.inc  
From: Bald Eagle
Date: 29 Apr 2021 21:30:00
Message: <web.608b5c9facefd9bd1f9dae3025979125@news.povray.org>
"Bald Eagle" <cre### [at] netscapenet> wrote:

> I'm thinking of doing the shell and the chambering all in one go with something
> like the attached.   It seems like a perfect use for the ovus {} object, if it
> gets hollowed out with a rounded cone first.   Then they'd all nest together.

A quick cobbling together of an ovus with an ellipsoid subtracted away.
The shell itself renders fairly quickly, the difference to show the cross
section was _slow_ (6.5 min.)

Parameterizing this would be challenging, to get the spiral tightness and
spacing correct while keeping the chambers properly spaced and angled the right

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