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Content positioning.

Reframe the source inside a fixed visual container.

Move footage inside a fixed frame without moving the frame itself. Two matching windows use custom fit with identical scale and different content centers. The subject’s placement changes while the outer bounds remain aligned.

Try it in your agent.

Use this prompt as a starting point. Review the result, then ask for the details you want to change.

A prompt to start from

Use Tesseract. Create an eight-second silent Tesseract content-positioning comparison. Place two equal 812×584 coastal-video frames side by side on Bone. Both use identical custom content scale and synchronized footage. Keep the frame geometry fixed while the right version uses a different absolute contentCenter to shift the person right and leave more open space. Set “The frame stays. The focus moves.” in one line above. The difference must come from Custom media fit, not moving or resizing the layer.

New to Tesseract? Find the setup for your local agent.

A few useful details.

How do I try this with my agent?

Copy the prompt into your supported local agent with Tesseract installed. Review the preview, then ask for the changes you want. The composition stays editable as you refine it.

Where does the video render?

Tesseract previews and renders locally on macOS, Windows, or Linux. The local engine is free; your agent’s subscription or usage costs are separate.

Crop and reframe

Control what appears inside a video or image frame.

Media fit

Stretch media deliberately or preserve proportions with contain/cover.

Nested scenes

Organize a complex scene into smaller editable sections.

Browse all Tesseract features

Your next video, made with your agent.

Install Tesseract in your local agent, bring a brief, and start creating.

Install ChatGPT Plugin

Free on Mac, Windows, and Linux. Your agent’s costs are separate.

Read the prompt

Set up Tesseract by Mirage so you can create editable designs, edit videos, and make motion graphics in this agent’s environment. Read https://github.com/mirage-hq/Tesseract and check the requirements for this local or hosted environment. If it is supported, follow the official plugin or skills installation guide, use its required runtime version, verify the download checksum, and confirm a short preview renders correctly. Then ask what I want to make and which brand references or source assets I have. Keep the editable project and source assets with the finished render.

Paste this into your agent

Set up Tesseract by Mirage so you can create editable designs, edit videos, and make motion graphics in this agent’s environment. Read https://github.com/mirage-hq/Tesseract and check the requirements for this local or hosted environment. If it is supported, follow the official plugin or skills installation guide, use its required runtime version, verify the download checksum, and confirm a short preview renders correctly. Then ask what I want to make and which brand references or source assets I have. Keep the editable project and source assets with the finished render.