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Terrain Mixer procedural landscape generator

Shape an imaginary landscape with elevation, water and vegetation controls. Terrain Mixer links a 3D scene, contour map and movable cross-section so you can explore the same terrain from three views.

Created by Katia Gil Guzman, OpenAI

Built with Codex · GPT-5.6

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Pricing unverified

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Source checked September 10, 2026

Official showcase credits Katia Gil Guzman and documents the procedural landscape and synchronized views. Material Lab related-project description attributes Terrain Mixer to Codex with GPT-5.6 metadata.

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