Start with the right workspace
Open your preferred coding assistant or 3D tool. Use the model shown on the example as a starting point, and check any linked project for setup instructions.
GPT-6 AstraReference brief
Steam locomotive across the countryside
Model a steam locomotive in Three.js and animate it travelling through a countryside scene. Synchronize the wheel movement with the train's motion.
About this example
A starting brief based on the creator's public project, not a verbatim original prompt. Your result will vary.
Adapted from the author’s public project description.
GPT-6 AstraThree.js
The prompt
Model a steam locomotive in Three.js and animate it travelling through a countryside scene. Synchronize the wheel movement with the train's motion.
How to use this prompt
Choose one thing to change
Swap the subject, art style or setting. Keep the camera and interaction clear. Build a small version first, then refine one detail at a time.
Give the scene its own assets
For a custom character or prop, create a 3D model from a short object description or reference image, then bring it into your project.
Previews belong to their respective creators. Check the original source and project license before reusing code or assets.
