Monday, September 15, 2014

Harmonograph / Elementary Rhythmic Patterns

A harmonograph is a mechanical apparatus that employs pendulums to create a geometric image ...

(source: Wiki + BirdandBee)

The most elementary patterns are:
Torus (Open phase - unison 1:1) 
Fig. 8 (Open phase - octave 2:1) 
Trefoil-knot (Counter current - octave 2:1) 

(Source: Wooden book Sacred Number)