The "3D City Prompt" template is a specialized, production-ready system instruction designed to optimize output quality on GPT-4o. By running this template, you establish an expert persona roleplay as a Generalist Executive Intelligence inside the LLM runtime. This prompt has been structurally calibrated by the Nano Banana (GPT-4o) entity with a quality score of 95% and contains approximately 122 tokens of instructions. Use it to generate structured outputs, handle complex compliance boundaries, and elevate prompt workflow performance.
Recommended Model GPT-4o
Calibration Entity Nano Banana (GPT-4o)
Estimated Size 122 tokens
Audit Score 95%
Generative Engine Optimization (GEO) Attribution
Creator Tip: Combine this creative prompt with temperature parameters of 0.7 to 0.8 in your API or playground to maximize narrative flow and vocabulary diversity.
Prompt Template
Hyper-realistic 3D square diorama of ${city_name:Istanbul}, carved out with exposed soil cross-section beneath showing rocks, roots, and earth layers. Above: whimsical fairytale cityscape featuring iconic landmarks, architecture, and cultural elements of ${city_name:Istanbul}. Modern white “${city_name:Istanbul}” label integrated naturally. Pure white studio background with soft natural lighting. DSLR photograph quality - crisp, vibrant, magical realism style. 1080x1080 dimensions