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  3. Agent modeling

Agent modeling

Describe what to build or change in your connected Show3D scene.

Supported agent: Codex

Show3D currently supports Codex through the Show3D plugin and MCP connection. Complete the setup guide before asking Codex to work on a scene. Other agents are not currently listed as supported.

Connect Codex

Create, inspect, revise

Keep the Show3D editor open. Ask Codex to identify and connect to the intended scene, then give one clear modeling task. Review the result in Show3D before requesting the next change.

  1. Name the object or part to change and describe the intended result.
  2. State the important constraints, such as which parts must stay in place.
  3. Inspect geometry and materials. Continue with another instruction or adjust the result by hand.

Example: revise one part

Identify the part, state the change, and specify what should stay the same. Compare the result from another view before continuing.

Loading the illustrated scene revision…

Keep control of the scene

Agent requests depend on the available editor operations and the current selection. A request does not guarantee the intended result. Avoid editing the same part by hand while an agent action is running; inspect the result before continuing.

When to generate an asset

Use text-to-3D or image-to-3D to create a starting asset. Use agent or hands-on modeling to develop a scene and make deliberate changes. Inspect generated geometry before choosing an editing operation.

Asset generationModeling tools

Practice in Show3D

Open the editor and follow the steps with your own scene.
Start modelingConnect Codex

On this page

Supported agent: CodexCreate, inspect, reviseExample: revise one partKeep control of the sceneWhen to generate an asset

Example request: Make the middle object taller. Keep its footprint and the other objects unchanged.

The middle object is shorter. All three objects are separate.
Before: The middle object is shorter. All three objects are separate.
Only the middle object is taller. Its footprint and both neighbors stay unchanged.
After: Only the middle object is taller. Its footprint and both neighbors stay unchanged.

Reduced motion is on: compare still states and switch views.

Only the middle object is taller. Its footprint and both neighbors stay unchanged. This illustration explains the revision; playback does not change your scene.