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/ˈseɪ.krɪd dʒɪˈɒm.ɪ.tri/

Sacred geometry

noun · symbolic geometry, art history

The body of geometric forms, ratios, and constructions that recur across religious art, temple architecture, and mystical traditions worldwide — among them the Platonic solids, the vesica piscis, the Flower of Life, the Sri Yantra, the golden ratio, and the rose-window armature of Gothic cathedrals.

What it is

Sacred geometry is a descriptive category, not a single doctrine. It names a recurrence: across cultures that did not necessarily share contact — Pythagorean Greek, classical Hindu, Egyptian Old Kingdom, Christian Gothic, Islamic Andalusian — the same handful of geometric figures appear in the architecture of buildings used for ritual and in the visual art associated with them. The figures that recur are the ones the compass-and-straightedge naturally produces: the equilateral triangle from two intersecting circles, the hexagon from six, the pentagon and golden ratio from a circle inscribed in a hexagram, the five Platonic solids from regular polygons folded.

The most-recognised figures in the canon include the Flower of Life (the hexagonal grid of overlapping circles), the Seed of Life (its seven-circle subset), Metatron's Cube (the figure linking the centres of those circles), the Sri Yantra (nine interlocking triangles), the vesica piscis (the lens between two intersecting circles), the Merkaba (two interlocked tetrahedra), and the golden ratio φ. Each is described in its own glossary entry.

Sacred geometry sampler: vesica piscis, Seed of Life, and golden rectangle
The vesica piscis (orange) sits at the centre of the Seed of Life — six circles drawn around a seventh, the foundational construction of the canon.

Etymology

The phrase sacred geometry is modern English — popularised through Robert Lawlor's Sacred Geometry: Philosophy and Practice (Thames & Hudson, 1982) and Keith Critchlow's Order in Space (Viking, 1969). The underlying tradition is far older: Plato's Timaeus (c. 360 BCE) gave the five regular polyhedra their cosmological reading; Vitruvius's De Architectura (c. 15 BCE) catalogued the proportional systems Roman temples used; the early Christian master masons who built Chartres recorded their geometric methods through guild transmission rather than written text.

Examples in use

The rose window of Chartres Cathedral (c. 1235) is laid out on a twelve-fold radial division generated by compass alone — six equilateral triangles inscribed in the bounding circle, then their intersections used to plot the radiating mullions. The same construction appears in Notre-Dame de Paris (c. 1260) and Reims Cathedral (c. 1280).

The Sri Yantra — nine interlocking triangles centred on a single point, the bindu — is described in the Saundarya Lahari attributed to Adi Shankara (c. 8th century CE), where it serves as a meditation diagram for the divine feminine in Shri Vidya Tantric practice. The same nine-triangle construction appears in temples across South India dating to at least the 7th century.

See also: Flower of Life · Seed of Life · Metatron's Cube · Sri Yantra · Vesica piscis · Merkaba · Sacred geometry category · Sacred geometry tool

References

  1. Lawlor, Robert. Sacred Geometry: Philosophy and Practice. Thames & Hudson (1982). ISBN 0-500-81030-3.
  2. Critchlow, Keith. Order in Space: A Design Source Book. Viking Press (1969).
  3. Plato. Timaeus (c. 360 BCE). Translated by Donald J. Zeyl. Hackett Publishing (2000). ISBN 0-87220-446-9.
  4. Vitruvius. De Architectura (c. 15 BCE). Translated by Morris Hicky Morgan as The Ten Books on Architecture. Harvard University Press (1914).
  5. Hahn, Robert. The Metaphysics of the Pythagorean Theorem. SUNY Press (2017). ISBN 978-1-4384-6489-4.

Sarah Chen

Founder of Grid Maker Pro. Classical portrait painter (BA Fine Arts). Writes about composition, drawing methods, and the art-history claims that don't survive measurement.

Updated · Methodology