This makes me wonder if you could get the illusion of a full-color image 
by having three spirals - one red, one green and one blue - that are 
separate but which spiral out together.

David

On 2022-02-03 2:04 p.m., Cousin Ricky wrote:
> On 2022-02-03 11:19 (-4), Cousin Ricky wrote:
>> On 2022-02-02 07:19 (-4), m@b wrote:
>>> I saw this
>>> <https://publicdomainreview.org/collection/mellan-sudarium-of-saint-veronica>
>>>
>>> And I made this:
>>
>> Still tuning the macro, but it's essentially done.  This image is made
>> with spheres and cylinders, but it can easily be switched to a sphere_sweep.
> 
> Another, plus color channel renders.  And my hair appears to be thinning.

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