271122
base spirals
 By
 Lazur URH
 Created
 20170119
 Description
 Some say that the "golden spiral" can be found all around in the nature, which can be constructed as a Fibonaccy spiral.
Contrary I could hardly find any snail shell images with those proportions.
This image shows three other logarithmic spirals next to the well known "golden spiral", that I could find way better.
One of them has the proportion of the nautilus shell discussed here:
https://www.goldennumber.net/nautilusspiralgoldenratio/.
The other two also have systematic proportions.
However the bottom left one has quite a natural look, its proportions were not constructed upon the golden ratio.
Mathematical functions are included in the file, if you want to plot them as parametric curvers.  Tags

2017 , base , challenges , exponent , exponential , Fibonacci spiral , geometric art , geometry , golden ratio , golden spiral , Lazur , logarithm , logarithmic , math , mathematics , parametric , parametric curve , ratio , remix+203834 , remix+228040 , remix+228045 , remix+228072 , remix+270932 , snail shell , spiral , URH
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