{ "title": "GROK — Quartz Icosahedron Core",

{
  "title": "GROK — Quartz Icosahedron Core",
   {
    "prompt": "Glacier-cyan quartz icosahedron (geodesic facets; IOR≈1.5; micro-roughness≈0.02) suspended over black. Through its center runs a glowing volumetric core where the word \"GROK\" appears as crisp die-cut negative space (stencil cavities) with bright rim-light—letters read by absence, not neon tubes. Subtle internal fog reveals depth; no heavy bloom.",
    "negative_prompt": "extra letters, distorted/warped glyphs, serif forms, rainbow streaks, chromatic aberration, dirty lens, flat studio look"
  },
  "materials": {
    "shell_finish": "clear quartz with faint micro-scuffs (premium realism), dispersion OFF",
    "core": "volumetric glow with soft density falloff"
  },
  "lighting": {
    "setup": "feathered top key, small side kicker to articulate facets, gentle back halo; add 1–2% log-luma dither"
  },
  "composition": {
    "angle": "three-quarter",
    "lens": "55mm",
    "framing": "shell diameter ≈ 0.7× frame; crisp infinite focus"
  },
  "color_management": {
    "core_hues": ["#00E0FF", "#FF3BC8", "#FFA000"],
    "background": "#000000"
  },
  "text_legibility": {
    "case": "UPPERCASE 'GROK'",
    "counter_thickness": "void stroke ≈ 8% of letter height",
    "kerning": "even; word width ≈ 60% of inner span"
  }
}

🤣🤣🤣

Emily