A coincidence-- today I was making some canvas stretchers for my
daughter to use for some paintings and mentioned the golden section
to her as a way to size them. A while back on Orchid I
mentioned proportional dividers and the thread ran for a
The item is #1101-157 PD11 proportional divider not cheap but
VERY nicely made. $207.20 US
see their "sneak preview 56" on the site for more on the tool
and the golden ratio.
The tool is on their discontinued list but still available. It is
a work of mechanical art good for a lot of layout uses.
Google will find more on the golden ( perfect section) mean.