Op 31/08/2020 om 08:26 schreef Thomas de Groot:
> Op 30/08/2020 om 16:51 schreef Bald Eagle:
>> Thomas de Groot <tho### [at] degrootorg> wrote:
>>
>>> Last night, I dreamed about Klein Bottles. That would be a hellish job
>>> to model I guess. ;-)
>>

>> http://t-kita.net/gnuplot_povrml/
>>
>> I remembered this and figured I'd post you a link to the scene code.
>>
>> http://t-kita.net/gnuplot_povrml/povray-demo/povray-demo3.pov
>>
> 
> /Of course/ somebody did just that! Very nice; thanks for the links.
> 

Which got me thinking that, while the modelling of the Klein bottle 
might be simple, the orientation of the face normals is not. My best 
guess would be to switch those round at the point where the bottle 
intersects itself. Modelling software (like Silo) don't like that. :-)

-- 
Thomas

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