Hi everyone,

Nothing universe-splitting here, just some patterns I've been working 
on. Sometimes I'd like to have an hexagonal version of the cells 
pattern(#1), or a triangular version of the hexagon pattern(#6 & 7). 
I've been developing such things and putting them all into an include file.

Two of these patterns(#3 & 4) are customizable via an optional 
declaration of an input pigment. The default is a z-gradient with a 
triangle_wave modifier. You can see it outlined by the hexagonal 
overlay. Any pigment can be used, and it will be repeated inside the 
hexagons with the option of having random 60 degree rotation(#1 only).

The rest of the patterns can be given a pigment_map, but I didn't not 
implement further customization options. I did however, make available 
two useful variables to translate and scale pigments according to the 
edges and corners of each hexagon. A lot can already be accomplished 
with this suite of patterns.

Next up: a trigonal version of the cells pattern and the ability to use 
all the patterns in any material block (pigment, normal, texture) 
without having to rely on pigment_pattern{}.

Is this something any of you would like to have a copy of? Questions, 
comments and criticisms are welcome, as always~

Sam

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