Another workaround would be to use the dome generator with a
base=hypocycloid or epicycloid
and many sides.
Philippe

>Hiya Ken,
>
>One workaround is to create your circular sine wave in Illustrator and
>bring it into POV as a font ( after converting).
>
>Another workaround would be to create a flat sine wave in the ususal manner
>and then use BEND.INC to curve it.
>
>Another workaround might be to create 1 sine wave and then employ rotated
>copies of it.
>
>steve
>
>
>Ken wrote:
>
>> Hi,
>>
>>    Attempting tonight to make a simple lamp shade I failed miserably.
>> I'm trying to create a lamp shade of the type seen commonly in household
>> settings. It is cone shaped but has a sine wave pleating as it's suface
>> feature. I have been able to achieve a sine wave surface through various
>> means but alas these where all in a flat pattern. Revloving around a
>> conical circle is not as simple as it sounds and I would appreciate any
>> tips you may have.
>>
>> --
>> Ken Tyler
>>
>> mailto://tylereng@pacbell.net
>

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