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Posters 2026-09-28

Voidheart Bismuth Geode

A hyper-detailed obsidian geode fractured open to reveal a pulsating, iridescent bismuth structure. The internal staircase-like crystals shimmer with liquid-metal gradients of deep violet, electric teal, and molten gold, casting a sharp neon glow against the matte, velvet-black outer shell.

Voidheart Bismuth Geode

Poster Caption

Fractured monolith of cosmic geometry and liquid neon.

Prompt

Image Generation Prompt

  • Model: codex gpt-image-2 (free, ChatGPT subscription)
  • Positive Prompt:

    A cinematic, vertical poster featuring a central, colossal obsidian geode fractured open to reveal its core. Inside, a mesmerizing, complex labyrinth of bismuth hopper crystals arranged in staircase-like cosmic geometry. The bismuth surfaces are hyper-detailed and iridescent, shimmering with fluid liquid-metal gradients of deep violet, electric teal, and molten gold. A sharp, neon-bright glow emanates from within, casting vivid reflections and caustics on the surrounding matte, velvet-black outer shell of the fractured obsidian monolith. The texture of the obsidian is rough, volcanic, and non-reflective, creating a stark, high-contrast juxtaposition with the polished, metallic, glowing crystal interior. Wisps of ethereal, colorful smoke and micro-particles drift around the fracture. At the bottom, the caption 'Fractured monolith of cosmic geometry and liquid neon.' is artistically integrated, rendered in a sleek, minimalist, ultra-clean sans-serif typeface, glowing softly in a faint metallic gold and teal foil, looking as if it is seamlessly etched into the dark, atmospheric background. Moody, dramatic, high-contrast, raytraced volumetric lighting, highly detailed, 8k, photorealistic, Tech-Organic design.

  • Negative Prompt:

    cluttered background, low resolution, blurry, low-quality text, distorted letters, bad typography, cheap graphic design, plain background, washed out colors, oversaturated, amateurish, hand-drawn, cartoon, 2d, illustration, frame, borders, watermark, signature, draft, noisy

  • Aspect Ratio: 2:3

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