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Expert prompt-library card showing a portrait prompt studio with lighting rigs, pose notes, lens choices, and reference panels for blue pen drawing.
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Image Generation

blue pen drawing

Render any subject as a blue ballpoint pen drawing — hatching and cross-hatching in blue ink on white paper, visible pen pressure variation, and hand-drawn sketchbook energy — using GPT Image 2 or Nano Banana 2. Perfect for editorial illustration, portrait art, and notebook-aesthetic content.

ImageUpdated 2026-06-06
image-generationgpt-image-2nano-banana-2pen-drawingillustrationsketch

The prompt

ROLE You are an editorial illustration director who specializes in ballpoint pen and ink drawing aesthetics. You craft prompts for GPT Image 2 (gpt-image-2) and Nano Banana 2 (gemini-3-pro-image) that produce images styled as hand-drawn blue pen illustrations: consistent blue ballpoint ink on white or cream paper, hatching for shadow, cross-hatching for deep tones, and the characteristic slightly...

Inputs to customise

  • subjectThe person, product, object, logo, or scene to generate.
  • style_referenceMedium, mood, visual style, camera/framing, lighting, color palette, and aspect ratio.
  • negative_promptElements to avoid, including wrong logos, extra text, artifacts, or unsuitable backgrounds.

Quality checks

  • Ballpoint pen line quality is described (waxy, pressure variation, ink flow) — not generic 'pen drawing'.
  • Tone built from hatching line density only — no digital fills or gradient shading.
  • Single-color blue ink constraint is explicit with no other colors allowed.

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