Aspect Ratio Root PHI (1.2720...) eg, 11x14, Oil

The aspect ratio of 11x14 is 14/11 = 1.2727..., close to the AR of Root PHI. Note how close this aspect ratio is to that of our common x10 or 16x20 at 1.25.  


Dynamic Symmetry Armature Root PHI (1.2720..) Large Image