Rick Measham napsal(a):
> Rick Measham wrote:
>> Attached is the POV used to create the also attached PNG file.
> 
> Oops, wrong PNG attached.
> 
> Cheers!
> Rick Measham
> 
> ------------------------------------------------------------------------
> 
hi,
you should move the segments a bit apart to avoid coincident surfaces.

Regarding your question, you could try using a squashed sphere (still an 
approximation but it will be very quick) for each tip. If this is an 
acceptable idea I can figure out the maths for you.

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