This elephant was only slightly pregnant.
In this worksheet, it gives birth to a mouse !
I'm sure it can be done as well as 'biomorph'.

Welcome to try.



Pattern Julia RemToDo.sm (89 KiB) downloaded 39 time(s).

Removing double transpose and RGB channels' extraction on P assignment save me 66% of evaluation time (1.5min -> 30s approx on my laptop)

I'm not 100% confident with mathcad syntax, so I'm not sure about how U should works (added a possible interpretation)

Pattern Julia RemToDo.sm (107 KiB) downloaded 30 time(s).

Tanks Davide for your observation.
These two: doctored accordingly.
I will try again Julia from other source than Mathcad 5.

Jean

Pattern Etoile Magic.sm (41 KiB) downloaded 35 time(s).

Image RGBYCM.sm (291 KiB) downloaded 30 time(s).