Divine Proportion or Golden Ratio in Adobe Illustrator

[boofrisco]

Thank you so much for posting this! This is very helpful and enlightening.

[FireKraken]

Hi Thiago, can you make a tutorial on how to do it to make the shell. I'm pretty new to Illustrator and have spent weeks trying to figure out how to do it.

Would you use a brush to create the shell? if so what kind of brush would you make? Thanks

[thiagolopes]

You can easily create the fibonnaci spiral by using the spiral tool
the important value is the decay, it must be 1/phi = 0, 6180 =61, 8 %
easy!

[MarkDesa]

You don't need to go to your calculator. You can do calculations straight in the measurement field in all Adobe apps. * is Multiply + is Add - is Subtract and / is Divide

[leopoldfoto]

The golden Ratio isn't that golden as peoples tend to think.
In your examples as Mona Lisa, you can find lots of proportions other than the Fibonacci one.
The 1 to 1 ratio is far more common and golden!