Dynamic Symmetry Armature Golden Mean PHI (1.618...)

Oil

Basic Dynamic Symmetry Armature for panels with aspect ratio close to the Golden Mean of 1.618.. such as 10x16. The Golden Mean is defined by the proportion (a+b)/a = a/b and can be shown to be the number 1.618... where ... indicates continuing forever. It is denoted PHI. So the Golden Rectangle is also known as the PHI rectangle.