On 09/07/2018 11:07, jr wrote:
> hi,
> 
> Stephen <mca### [at] aolcom> wrote:
>> ... an observation.
>> Consider a sphere with a media based on a spiral density pattern rolling
>> through the box with a horizontal colour gradient. The resultant image
>> would be additive or subtractive.
> 
> that too sounds v interesting.  I had not thought about patterning functions at
> all.  could you post an outline of the objects and the materials, to help me try
> this?  thanks.
> 
> 
> regards, jr.
> 

Just a thought experiment. Like most things the mind's eye is better 
than reality. More thought needed.

-- 

Regards
     Stephen

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