Pattern and Design with Dynamic Symmetry

2.09 RECTANGLES alternating Andrea Palladio angle of 180 angular s-shape angular spirals artist axes bisect bristol board CHAPTER Clothbound coming tangent composed continued ratio contrasting color coördinates corners curved spirals diagonal CD doubly reversed draw Dynamic Symmetry Eadweard Muybridge ellipse end reciprocal end to side equilateral triangles extreme and mean figure filled four full-page plates gles gnomon and reciprocal Greek Hambidge HEINRICH KLEY illustrations interlacing intersection Jay Hambidge length logarithmic spiral long diagonal mean proportional ornament Paperbound parent rectangle pentagram perpendicular Phyllotaxis point of tangency principles proportional relationship radii vectors radius describe ratios of end rectan rectangle divided reversed spiral right angles rocal root rectangles root-five rectangle ROOT-FOUR RECTANGLE ROOT-THREE RECTANGLE PLATE root-three spiral root-two rectangle s-curves s-shaped units shape shown in Fig similar spirals spiral bands spirals are drawn spirals rotated supplementary spirals tangle wave design WHIRLING SQUARE RECTANGLE width