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      "description": "Volumetric drawing — the practice of constructing a subject as a 3D volume in space before adding surface detail. The opposite of pure contour or silhouette drawing.",
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      "description": "Glossary definition: the Vesica Piscis is the lens-shaped overlap of two equal circles where each circle",
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      "name": "Sri Yantra",
      "description": "Glossary definition: the Sri Yantra is the central Hindu Tantric meditation diagram of 9 interpenetrating triangles meeting at a central bindu, surrounded by lotus petals and a square enclosure. Used in the Sri Vidya school of Tantric Hinduism since at least the 8th century AD.",
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      "description": "Simultaneous contrast — Chevreul",
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      "description": "Scumbling — applying a broken layer of opaque or semi-opaque paint over a dried underlayer. Lets the under-color show through, creates atmospheric depth.",
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      "name": "Rosette",
      "description": "Rosette — a circular, petal-like geometric figure built from overlapping arcs around a centre, the bloom that forms inside the Seed of Life and at the heart of Islamic and Gothic ornament.",
      "url": "https://gridmakerpro.com/glossary/rosette/",
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      "name": "Root rectangle",
      "description": "Root rectangle — a rectangle whose long side is the square root of an integer times its short side, generated by swinging the diagonal of the preceding figure. The √2, √3, and √5 rectangles of dynamic symmetry.",
      "url": "https://gridmakerpro.com/glossary/root-rectangle/",
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      "description": "Rhythm line — a flowing curve drawn across a form to capture its motion before features are resolved. Central to the Reilly method and atelier figure drawing.",
      "url": "https://gridmakerpro.com/glossary/rhythm-line/",
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      "name": "Reciprocal Lines",
      "description": "Reciprocal lines — perpendicular crossings of the main diagonal from opposite corners, used in dynamic-symmetry composition to find golden-spiral-like power points.",
      "url": "https://gridmakerpro.com/glossary/reciprocal-lines/",
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      "name": "Reciprocal diagonal",
      "description": "Reciprocal diagonal — the line perpendicular to the main diagonal of a rectangle, drawn from a non-diagonal corner. The geometric heart of Hambidge",
      "url": "https://gridmakerpro.com/glossary/reciprocal-diagonal/",
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      "name": "Radial symmetry",
      "description": "Radial symmetry — balance arranged around a central point, so the design repeats as it rotates about that centre. The organising symmetry of mandalas, rose windows, and yantras.",
      "url": "https://gridmakerpro.com/glossary/radial-symmetry/",
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      "name": "Rabatment",
      "description": "Rabatment — folding a rectangle",
      "url": "https://gridmakerpro.com/glossary/rabatment/",
      "slug": "rabatment",
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      "name": "Proportional Transfer",
      "description": "Glossary definition: proportional transfer is the practice of copying a reference image onto a drawing surface at a different scale while preserving its proportions, using a labelled-cell grid as the transfer scaffold.",
      "url": "https://gridmakerpro.com/glossary/proportional-transfer/",
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      "description": "Proportion — the ratio relationship between the parts of a composition and between each part and the whole. The comparative size, not the absolute size, that the eye reads as harmonious or off.",
      "url": "https://gridmakerpro.com/glossary/proportion/",
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      "description": "Plane of the head — one of the approximately 41 flat facets that make up the Asaro head planar simplification, used as a lighting reference in portrait painting.",
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      "description": "Negative space — the area of a composition surrounding and between the main subjects. The shapes the empty space makes are as load-bearing as the subjects themselves.",
      "url": "https://gridmakerpro.com/glossary/negative-space/",
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      "description": "Munsell system — Albert Henry Munsell",
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      "name": "Modular Scale",
      "description": "Modular scale: a sequence of values produced by repeatedly multiplying a base value by a fixed ratio (commonly the golden ratio, perfect fourth, or augmented fourth) — used to derive type sizes, spacing tokens, and grid proportions that share an underlying mathematical relationship.",
      "url": "https://gridmakerpro.com/glossary/modular-scale/",
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      "name": "Metatron's Cube",
      "description": "Glossary definition: Metatron",
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      "description": "Glossary definition: the Merkaba is a sacred geometry figure of two interpenetrating tetrahedra forming a star tetrahedron. From Jewish merkavah mysticism (1st century BC); the contemporary geometric interpretation as a star tetrahedron was popularised by Drunvalo Melchizedek.",
      "url": "https://gridmakerpro.com/glossary/merkaba/",
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      "url": "https://gridmakerpro.com/glossary/measure/",
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      "@id": "https://gridmakerpro.com/glossary/margin/",
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      "description": "Margin — the band of empty space framing the live content area of a page, between the text block and the trimmed edge. The frame that gives type room to breathe.",
      "url": "https://gridmakerpro.com/glossary/margin/",
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      "description": "Mandala — a concentric, radially symmetric sacred diagram organised around a centre, used as a map of the cosmos and an aid to meditation in Hindu and Buddhist traditions.",
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      "description": "Loomis method — a head-construction system devised by Andrew Loomis that builds the human head from a sphere, a flat side-plane, an ear-line, and a brow-line. Origin, mechanics, and modern use.",
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      "description": "Leading — the vertical distance from one text baseline to the next, the measure of line spacing in a block of type. Set as a length, not a multiplier, in classical typesetting.",
      "url": "https://gridmakerpro.com/glossary/leading/",
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      "keywords": [
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        "what is leading",
        "leading meaning",
        "leading in typography",
        "line spacing",
        "line height",
        "interline spacing"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/horizon-line/",
      "name": "Horizon line",
      "description": "Horizon line — the horizontal line in a perspective drawing that represents the viewer",
      "url": "https://gridmakerpro.com/glossary/horizon-line/",
      "slug": "horizon-line",
      "keywords": [
        "horizon line definition",
        "what is horizon line",
        "horizon line meaning",
        "horizon line in linear perspective",
        "eye-level line",
        "hl",
        "line of sight"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/hexagonal-symmetry/",
      "name": "Hexagonal symmetry",
      "description": "Hexagonal symmetry — six-fold rotational symmetry, where a figure repeats onto itself six times in a full turn, every 60 degrees. The organising symmetry of the Flower of Life.",
      "url": "https://gridmakerpro.com/glossary/hexagonal-symmetry/",
      "slug": "hexagonal-symmetry",
      "keywords": [
        "hexagonal symmetry definition",
        "what is hexagonal symmetry",
        "hexagonal symmetry meaning",
        "hexagonal symmetry in sacred geometry",
        "six-fold symmetry",
        "6-fold rotational symmetry",
        "hexagonal order"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/head-construction/",
      "name": "Head construction",
      "description": "Head construction — the planning stage of a portrait drawing where the head is built as a 3D form using a method such as Loomis, Reilly, Bridgman, or Asaro.",
      "url": "https://gridmakerpro.com/glossary/head-construction/",
      "slug": "head-construction",
      "keywords": [
        "head construction definition",
        "what is head construction",
        "head construction meaning",
        "head construction in drawing pedagogy"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/gutter/",
      "name": "Gutter",
      "description": "Gutter — the blank channel of space separating two adjacent columns of type, or the inner margin where facing pages meet at the binding.",
      "url": "https://gridmakerpro.com/glossary/gutter/",
      "slug": "gutter",
      "keywords": [
        "gutter definition",
        "what is gutter",
        "gutter meaning",
        "gutter in typography & page layout",
        "column gutter",
        "binding gutter",
        "alley"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/grid-method/",
      "name": "Grid Method",
      "description": "Glossary definition: the grid method is a centuries-old reference-transfer technique where the artist draws an equal-cell grid over a reference image and copies it cell by cell onto the drawing surface. Origin, mechanics, variants.",
      "url": "https://gridmakerpro.com/glossary/grid-method/",
      "slug": "grid-method",
      "keywords": [
        "grid method definition",
        "what is the grid method",
        "grid method drawing glossary",
        "grid drawing technique explained"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/golden-spiral/",
      "name": "Golden spiral",
      "description": "Golden spiral — the logarithmic spiral whose growth factor per quarter-turn equals the golden ratio φ. Distinct from the simpler Fibonacci spiral that approximates it.",
      "url": "https://gridmakerpro.com/glossary/golden-spiral/",
      "slug": "golden-spiral",
      "keywords": [
        "golden spiral definition",
        "what is golden spiral",
        "golden spiral meaning",
        "golden spiral in geometry",
        "phi spiral",
        "logarithmic golden spiral"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/golden-ratio/",
      "name": "Golden Ratio (Phi)",
      "description": "Glossary definition: the golden ratio (Phi, φ ≈ 1.618) is the unique number satisfying (a+b)/a = a/b. Defined by Euclid c. 300 BC, named the divine proportion by Pacioli in 1509, and now the standard alternative to the rule of thirds in photography.",
      "url": "https://gridmakerpro.com/glossary/golden-ratio/",
      "slug": "golden-ratio",
      "keywords": [
        "golden ratio definition",
        "what is phi",
        "divine proportion",
        "golden section glossary",
        "golden ratio composition"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/foreshortening/",
      "name": "Foreshortening",
      "description": "Foreshortening — the visual compression of an object",
      "url": "https://gridmakerpro.com/glossary/foreshortening/",
      "slug": "foreshortening",
      "keywords": [
        "foreshortening definition",
        "what is foreshortening",
        "foreshortening meaning",
        "foreshortening in perspective drawing",
        "forced perspective",
        "perspective compression",
        "scorcio"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/flower-of-life/",
      "name": "Flower of Life",
      "description": "Flower of Life — a hexagonal pattern of nineteen evenly spaced overlapping circles, the canonical figure of sacred geometry. Origin, construction, and use in art and architecture.",
      "url": "https://gridmakerpro.com/glossary/flower-of-life/",
      "slug": "flower-of-life",
      "keywords": [
        "flower of life definition",
        "what is flower of life",
        "flower of life meaning",
        "flower of life in sacred geometry",
        "flower-of-life pattern",
        "hexagonal circle packing",
        "tessellated circles"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/fibonacci-sequence/",
      "name": "Fibonacci sequence",
      "description": "Fibonacci sequence — the integer sequence 1, 1, 2, 3, 5, 8, 13, 21… in which each term is the sum of the previous two. Its consecutive ratios converge on the golden ratio φ.",
      "url": "https://gridmakerpro.com/glossary/fibonacci-sequence/",
      "slug": "fibonacci-sequence",
      "keywords": [
        "fibonacci sequence definition",
        "what is fibonacci sequence",
        "fibonacci sequence meaning",
        "fibonacci sequence in number theory",
        "fibonacci numbers",
        "leonardo of pisa numbers",
        "f-sequence"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/dynamic-symmetry/",
      "name": "Dynamic symmetry",
      "description": "Dynamic symmetry — Jay Hambidge",
      "url": "https://gridmakerpro.com/glossary/dynamic-symmetry/",
      "slug": "dynamic-symmetry",
      "keywords": [
        "dynamic symmetry definition",
        "what is dynamic symmetry",
        "dynamic symmetry meaning",
        "dynamic symmetry in composition theory"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/diagonal-method/",
      "name": "Diagonal Method",
      "description": "Glossary definition: the Diagonal Method is a composition system formalised by Edwin Westhoff in 2007 that uses both bisecting diagonals of a frame as composition guides. A research-based critique of the rule of thirds.",
      "url": "https://gridmakerpro.com/glossary/diagonal-method/",
      "slug": "diagonal-method",
      "keywords": [
        "diagonal method definition",
        "edwin westhoff",
        "what is diagonal method",
        "two diagonal composition glossary"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/cubism/",
      "name": "Cubism",
      "description": "Cubism — the early-twentieth-century art movement that applied Cézanne",
      "url": "https://gridmakerpro.com/glossary/cubism/",
      "slug": "cubism",
      "keywords": [
        "cubism definition",
        "what is cubism",
        "cubism meaning",
        "cubism in art movement"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/contrapposto/",
      "name": "Contrapposto",
      "description": "Contrapposto — Italian ",
      "url": "https://gridmakerpro.com/glossary/contrapposto/",
      "slug": "contrapposto",
      "keywords": [
        "contrapposto definition",
        "what is contrapposto",
        "contrapposto meaning",
        "contrapposto in figure drawing"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/composition/",
      "name": "Composition",
      "description": "Composition — the arrangement of visual elements within a frame to direct the viewer",
      "url": "https://gridmakerpro.com/glossary/composition/",
      "slug": "composition",
      "keywords": [
        "composition definition",
        "what is composition",
        "composition meaning",
        "composition in visual arts",
        "pictorial composition",
        "visual composition",
        "arrangement"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/chiaroscuro/",
      "name": "Chiaroscuro",
      "description": "Chiaroscuro — Italian for ",
      "url": "https://gridmakerpro.com/glossary/chiaroscuro/",
      "slug": "chiaroscuro",
      "keywords": [
        "chiaroscuro definition",
        "what is chiaroscuro",
        "chiaroscuro meaning",
        "chiaroscuro in painting and value"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/cast-drawing/",
      "name": "Cast drawing",
      "description": "Cast drawing — the atelier tradition of drawing from plaster reproductions of classical sculpture as a foundation exercise before working from life. Central to Florence Academy and Bargue method training.",
      "url": "https://gridmakerpro.com/glossary/cast-drawing/",
      "slug": "cast-drawing",
      "keywords": [
        "cast drawing definition",
        "what is cast drawing",
        "cast drawing meaning",
        "cast drawing in atelier practice"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/block-in/",
      "name": "Block",
      "description": "Block-in — the first stage of a drawing or painting where the subject is reduced to a polygonal envelope of straight lines. The measurable foundation that curves are built on.",
      "url": "https://gridmakerpro.com/glossary/block-in/",
      "slug": "block-in",
      "keywords": [
        "block-in definition",
        "what is block-in",
        "block-in meaning",
        "block-in in drawing pedagogy"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/baseline-grid/",
      "name": "Baseline Grid",
      "description": "Baseline grid: a typographic ruling of horizontal lines spaced at the body-text line-height interval, used to align every text line on a page. Origin in letterpress, formalised by Tschichold and Bringhurst, adapted to the web through CSS line-height multiples.",
      "url": "https://gridmakerpro.com/glossary/baseline-grid/",
      "slug": "baseline-grid",
      "keywords": [
        "baseline grid definition",
        "vertical rhythm",
        "text baseline",
        "letterpress baseline"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/baseline/",
      "name": "Baseline",
      "description": "Baseline — the invisible horizontal line on which the body of each letter sits and from which descenders hang. The reference line that governs vertical type alignment.",
      "url": "https://gridmakerpro.com/glossary/baseline/",
      "slug": "baseline",
      "keywords": [
        "baseline definition",
        "what is baseline",
        "baseline meaning",
        "baseline in typography",
        "type baseline",
        "reference line"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/baroque-diagonal/",
      "name": "Baroque Diagonal",
      "description": "Baroque diagonal — the upper-left to lower-right composition diagonal favored by Baroque painters for dramatic, downward-thrusting energy.",
      "url": "https://gridmakerpro.com/glossary/baroque-diagonal/",
      "slug": "baroque-diagonal",
      "keywords": [
        "baroque diagonal definition",
        "what is baroque diagonal",
        "baroque diagonal meaning",
        "baroque diagonal in composition"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/atmospheric-perspective/",
      "name": "Atmospheric perspective",
      "description": "Atmospheric perspective — the depth cue where distant objects appear cooler, less saturated, and lower in contrast than near ones. Leonardo described it; Dutch landscapists made it standard.",
      "url": "https://gridmakerpro.com/glossary/atmospheric-perspective/",
      "slug": "atmospheric-perspective",
      "keywords": [
        "atmospheric perspective definition",
        "what is atmospheric perspective",
        "atmospheric perspective meaning",
        "atmospheric perspective in colour",
        "aerial perspective"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/atelier-method/",
      "name": "Atelier method",
      "description": "Atelier method — a structured studio-based system of artistic training derived from the French academic tradition. Bargue plates, cast drawing, sight measurement, classical anatomy, all in sequence.",
      "url": "https://gridmakerpro.com/glossary/atelier-method/",
      "slug": "atelier-method",
      "keywords": [
        "atelier method definition",
        "what is atelier method",
        "atelier method meaning",
        "atelier method in art education"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/armature/",
      "name": "Armature",
      "description": "Armature — a 14-line geometric composition framework based on diagonals from corners, used in classical painting to organize multi-subject scenes.",
      "url": "https://gridmakerpro.com/glossary/armature/",
      "slug": "armature",
      "keywords": [
        "armature definition",
        "what is armature",
        "armature meaning",
        "armature in composition geometry"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/anthropometry/",
      "name": "Anthropometry",
      "description": "Anthropometry — the systematic measurement of the human body and its proportions, used to scale architecture, furniture, and proportional systems such as Le Corbusier",
      "url": "https://gridmakerpro.com/glossary/anthropometry/",
      "slug": "anthropometry",
      "keywords": [
        "anthropometry definition",
        "what is anthropometry",
        "anthropometry meaning",
        "anthropometry in design & proportion",
        "human measurement",
        "body metrics",
        "human proportion study"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/alignment/",
      "name": "Alignment",
      "description": "Alignment — the arrangement of elements so their edges or centre axes line up along a common line, creating visual order and a connective relationship between parts.",
      "url": "https://gridmakerpro.com/glossary/alignment/",
      "slug": "alignment",
      "keywords": [
        "alignment definition",
        "what is alignment",
        "alignment meaning",
        "alignment in composition & layout",
        "edge alignment",
        "axial alignment"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/8pt-grid/",
      "name": "8pt Grid",
      "description": "8pt grid: a UI spacing system that constrains all margins, padding, gaps, and component dimensions to multiples of 8 pixels. Popularised by Google",
      "url": "https://gridmakerpro.com/glossary/8pt-grid/",
      "slug": "8pt-grid",
      "keywords": [
        "8pt grid definition",
        "8 point grid",
        "ui spacing system",
        "material design grid",
        "bryn jackson 8 point"
      ]
    },
    {
      "@type": "DefinedTerm",
      "@id": "https://gridmakerpro.com/glossary/12-column-grid/",
      "name": "12",
      "description": "12-column grid: a responsive web layout system that divides the container into twelve equal vertical tracks separated by consistent gutters. Originated with the 960 Grid System (2008), made universal by Bootstrap (2011), now native in CSS Grid.",
      "url": "https://gridmakerpro.com/glossary/12-column-grid/",
      "slug": "12-column-grid",
      "keywords": [
        "12 column grid definition",
        "bootstrap grid",
        "960 grid system",
        "responsive web grid"
      ]
    }
  ]
}