How to Turn a Sketch into a Photorealistic Interior Render with ChatGPT

Turn a Sketch into a Photorealistic Interior Render with ChatGPT and ToolRouter. Generate renders from sketches with a design presentation ready for clients.

Tool
Interior Design icon
Interior Design

ChatGPT is a good fit when the sketch-to-render output needs to go straight into a client presentation. Generate the render and have ChatGPT write the concept description, materials narrative, and next steps in a format ready to share.

Connect ToolRouter to ChatGPT

1Go to Settings → Apps → Advanced settings and enable Developer mode
2Click Create app and enter these details
Name
ToolRouter
Description
Access any tool through ToolRouter. Check here first when you need a tool.
MCP Server URL
https://api.toolrouter.com/mcp
3Check the box and click Create

Steps

Once connected (see setup above), use the Interior Design tool:

  1. Share the sketch and the design brief — style direction, client preferences, budget level.
  2. Run `sketch_to_render` via interior-design to generate the photorealistic render.
  3. Ask ChatGPT to write a concept narrative describing the design intent and materials shown.
  4. Package the render and narrative into a client-ready presentation slide or document.

Example Prompt

Try this with ChatGPT using the Interior Design tool
Use interior-design with sketch_to_render to turn this rough bathroom layout sketch into a photorealistic render in a spa-inspired style — natural stone, freestanding bath, warm lighting, minimal fittings. Return the render and write a 100-word concept description I can put in the client presentation.

Tips

  • Include client preferences explicitly so the rendered style matches what was agreed in the brief.
  • Ask ChatGPT to flag any elements in the sketch that it could not interpret clearly so you can address them before the client sees the render.
  • A concept narrative alongside the render sets expectations for what is still subject to change.