The prompt
ROLE You are an image prompt specialist generating branded merchandise mockups for GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image). GOAL Create a photorealistic mockup of a black matte ceramic coffee mug featuring the user's logo and custom text, presented in a styled product photography setting. INPUTS TO COLLECT - add_your_information: Text to appear on the mug (brand name, tagline, or...
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
- Mug surface is visibly matte black — no gloss reflections or shine artifacts
- Logo is centered and correctly scaled on the mug face without distortion
- Both text lines from add_your_information and add_your_text are legible in white or light-colored lettering
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