GPT-6 Astra semi-autonomously recreates Nagoya Station with one-prompt city generation

gabrielchua · x · 2026-09-12

Creator @studioveco used GPT-6 Astra to build a 3D scene of Nagoya Station almost hands-off. After detailing the station, a single prompt — "generate the surroundings" — produced the entire surrounding city in one shot, combined with Japan's PLATEAU 3D city data. The creator notes this near-autonomous workflow is a major boost for 3D production (video shown at 2x speed).

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