As promised (or at least hinted at) I have given 3D attractors a go.

These were done with POV-Ray (3.5 for Windows).
They all use quadratic functions.
All of them have 500000 points, except quadratic_2_1m.jpg which has one 
million points.

One million points is as high as I can go with individually colored 
points. Even then I have to disable light- & vista-buffers to conserve 
memory (these consume huge amounts of memory, and take forever to generate 
with 1M points).


---
FE

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Download 'quadratic_1.jpg' (70 KB) Download 'quadratic_2.jpg' (70 KB) Download 'quadratic_2_1m.jpg' (70 KB) Download 'quadratic_3.jpg' (48 KB) Download 'quadratic_4.jpg' (62 KB) Download 'quadratic_5.jpg' (93 KB) Download 'quadratic_6.jpg' (67 KB)

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