Grasshopper

algorithmic modeling for Rhino

Using a simple iterated function system (IFS).
50000 points.

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Comment by jessica ryder on February 21, 2017 at 6:56am

Any chance you could post the script you used to create this?

Comment by Adam on August 23, 2016 at 11:14am

Oh,cool,thank you very much Jack Young ,i will try it later and share my works.

Comment by Jack Young on August 21, 2016 at 7:24am

Plant growth can be represented with a generative algorithm called Lindenmayer-System (L-System for short). It is a kind of fractal which uses if/ then commands at its simplest level. Its explained much more eloquently here: 

http://www.grasshopper3d.com/profiles/blogs/generative-algorithms 

With the leaf you could probably draw the leaf boundary, create a starting point and then set off the fractal generator. To get the variable thickness you could vary it depending on the number of individual paths to the start, the least paths making the thickest lines. Leaves, and many other natural structures like dragonfly wings use the voronoi cell structure which is incredibly strong. (side note, dragonflies are possibly the coolest animals ever, they have survived longer than any other animal in the world with the least change in their physical make up, are amazingly agile thanks to a completely different flying mechanism to most other insects, made possible in part by the wing structure. if you want to know more this is an interesting paper: 

http://www.delfly.nl/publications/Jongerius%20and%20Lentink%202010%... ). If you want to use this method to create it this is quite a fun tutorial I found using the voronoi component in grasshopper:

http://wikid.eu/index.php/Generating_Voronoi_Based_Geometry_In_Rhin...

Thomas Helzle uses this in interesting and imaginative ways:

http://www.screendream.de/design/life-love/

Alternatively this is a more simple way of creating a similar effect using diffusion-limited aggregation:

http://www.grasshopper3d.com/profiles/blogs/diffusion-limited-aggre...

Comment by Adam on August 19, 2016 at 11:27pm

And this 

Comment by Adam on August 19, 2016 at 11:26pm

Hi Daniel,i love you work very much ,and i want to write scripts of the leaves show above,i have no ideas about it ,could you help me please? thank you very much!!!

Comment by Adam on August 19, 2016 at 9:38pm

i love it

Comment by Daniel González Abalde on August 19, 2016 at 6:47pm

Comment by Daniel González Abalde on August 19, 2016 at 6:44pm

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