"Richard" <ric### [at] guyydemoncouk> wrote in message
news:web.3ea33696f0bfe71be03273700@news.povray.org...
> OK, thanks for all the help. I have fiddled some more and have made some
> improvements. I am using lathe to do the shape now, it seems to be working
> a bit better (http://www.orang-utan.com/richard3.bmp). However, I still
> have a few problems, for example, to get a round base I used a quadratic,
> but it sticks out too far, it's a bit bulged - easier to see at
> http://www.orang-utan.com/richard3b.bmp . What's the best way to fix this?
>
> I think the main problem now is the lighting, and the background. I don't
> want a fancy background, plain white is fine. But I want it to look like
> proper glass. Any suggestions?

Take a look at 'bottle generation macro' posted on p.b.images and
p.b.scene-files.
That might give you some ideas for a CSG  Erlenmeyer flask.

Alan Walkington

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