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Posted by ConorClockwise on 2007-03-22 11:26:24 +0000

My new favorite tool


Posted by tendiamonds on 2007-03-22 12:56:50 +0000
Outstanding.

Posted by MF DU on 2007-03-22 13:03:06 +0000
Can I be fantastically stupid and ask what it does? It looks cool. Does it draw something to scale?

Posted by tendiamonds on 2007-03-22 13:20:55 +0000
GH/FG == FG/FH It's the golden ratio, and considered to be the most beautiful proportion. It is found in nature, art, architecture, etc.

Posted by ConorClockwise on 2007-03-22 13:25:23 +0000
Not stupid, MF DU, as it's not at all obvious. The ratio of FG:GH is the golden ratio (phi) (1+5^1/2)/2 or roughly 1:1.618. So say I want to make something the golden ratio smaller than a given length, I position the point F and G to said length, and then the points G to H will be phi smaller. To make something the larger, put the G and H points to the length and the F to G points will give you the phi length larger. The best part is you don't need a ruler with markings for inches or centimeters on it, just a straight edge

Posted by MF DU on 2007-03-22 13:29:29 +0000
Is there a Golden Section rule for dupe posts?

Posted by MF DU on 2007-03-22 13:29:05 +0000
Thanks for the insight Conor. I am now really curious. I love the internet.

Posted by tgl on 2007-03-22 14:00:17 +0000
I just got some email about making my phi length larger.

Posted by ConorClockwise on 2007-03-22 14:05:09 +0000
That's what happens when you roll into work at 10:40...

Posted by Miriam on 2007-03-22 14:32:54 +0000
I remember hearing something about that being the key to widespread interest in women with those same proportions...like Marilyn Monroe.

Posted by MF DU on 2007-03-22 16:26:44 +0000
TGL and Iggy Pop like to talk about their phi's.

Posted by Earth Crisis Face on 2007-03-22 15:12:05 +0000
Did somebody say straightedge?

Posted by pchippy on 2007-03-22 15:12:17 +0000
The really wonderful thing is that the golden ratio is intimately involved in the Fibonacci sequence. The ratios of consecutive terms of the Fib sequence themselves form an oscillating sequence whose value approaches the golden ratio from above and below. You can reach as close a rational approximation of the golden ratio as you like by finding the ratios of larger and larger consecutive Fib pairs.

Posted by ConorClockwise on 2007-03-22 15:52:31 +0000
1,1,2,3... It's like 2:3

Posted by mr. mister on 2007-03-22 16:18:56 +0000
Looks like a good carpentry tool.

Posted by pchippy on 2007-03-23 09:47:56 +0000
No, no, it's like 8:13

Posted by tgl on 2007-03-23 14:40:20 +0000
I use phi == 1 for quick calculations.

Posted by ConorClockwise on 2007-03-23 14:58:11 +0000
It's like 13:21, No, it's like 21:34... wait it's more like...

Posted by tendiamonds on 2007-03-23 15:58:13 +0000
Outstanding.

E-mail to tgl@rideside.net to add your tumblr.
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