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.
Claude Opus 5.5Reference brief
Build the Eiffel Tower in Three.js
A reusable Three.js instruction to create a 3D Eiffel Tower. The root author reports that this same prompt was run with Claude Opus 5.5 alongside other frontier models; the post is a comparative benchmark report rather than a first-hand creation post.
About this example
A starting brief based on the creator's public project, not a verbatim original prompt. Your result will vary.
Eiffel TowerThree.js3D modellandmarkweb 3Darchitecture
The prompt
build the Eiffel Tower in Three.js.
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.