Large, 40cm Golden Mean Calipers (measures 80 mm to 750 mm)
Medium, 18cm Golden Mean Calipers (measures 35 mm to 320 mm)
Small, 11.4cm Golden Mean Calipers (measures 25 mm to 190 mm)
These calipers are laser-cut, then hand-riveted and polished... 100% New Zealand made.
They are used by artists, designers, sculptors, plastic surgeons and collectors of gadgets... to measure the golden-mean.
The Golden Mean is one of the primary magic numbers - recognised as being aesthetically pleasing for over 2000 years. It appears in art, architecture, mathematics, music and nature.
Its name is Phi
Its number is 1.61803399
Its symbol is Φ
More information here http://www.goldenmeancalipers.com/
These lovingly hand-crafted by me… in my garage hammering the little brass rivets into place with a proper hammer, just like the proper Ancient Greeks used to do, but without the garage.