Thanks, i figured i'd add a normal, agate is what i tried, to see how it
interacts with real unwanted bumps. it makes things less noticeable atleast,
and for my purposes, adding a normal makes sense. in other cases, it might
not though.

I don't know anything about writting code for lathes, so i'm going to stick
to blobs. i might try using some componants that are scaled heavily in the y
(up/down) direction, or maybe a cylinder componant going all the way down
the middle to see if that smooths things some. i don't know anything about
cylinder componants either :) so we'll see.

thanks for the help,
ross


Bob Hughes wrote in message news:390f50e3@news.povray.org...
> In doing such shapes I guess the old saying "nothing's ever easy"
> would apply.
> I wanted to check out what David H. has said here and came up with
> the following:
>

::snip::

>
> To make a long story short, I figured a lathe would be better suited
> for doing this sort of object.  I could never get the negative strength
> blob component to do what Ross had there already.
> The lathe can be some trouble sometimes to get the curvatures
> correct but it does seem the lesser of the two evils to me.
>
> Bob

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