Answer

Short answer:

To add text or logos, you can either include the signage in your original base file (3D screenshot or sketch) before rendering, or use the "Edit" tool to select an area and prompt for generic signage elements. For specific vector logos or exact typography, it is best to apply them in post-production software, as generative AI focuses on materials and lighting rather than precise spelling.

Overview

Rendair AI is designed to visualize architectural intent, materials, and lighting. When it comes to branding, the platform excels at showing how a logo might look physically, for example, how a neon sign casts light on a brick wall or how etched lettering appears in stone.

However, Rendair is not a graphic design tool for overlaying 2D vectors. It treats text and logos as physical objects within the scene. Understanding this distinction helps you choose the right workflow: use Rendair to visualize the materiality of the signage, and use external tools if you need pixel-perfect vector placement.

How it works

There are two primary ways to handle text and logos within the platform, depending on your stage of design.

Method 1: The Base Input Workflow (Recommended for Accuracy)

This method ensures the logo is placed exactly where you want it and allows the AI to render accurate lighting interactions.

1. Prepare your input: Place your text or logo directly on your 3D model (in SketchUp, Revit, etc.) or draw it roughly on your sketch.

2. Upload to Rendair: Use this image as your base input.

3. Prompt accordingly: In your prompt, describe the material of the signage (e.g., "backlit metal signage," "glass storefront with white lettering").

4. Render: The AI will interpret the shapes from your base image and apply realistic textures and lighting to them.

Method 2: The Edit Workflow (Recommended for Concepts)

If you have a finished render and want to explore where signage could go, use the editing tools.

1. Open the Editor or Chat: Select the image you want to modify.

2. Select the area: Use the brush or lasso tool to highlight the area where the logo should appear. For Chat usage, describe the position you want the logo to be placed.

3. Describe the addition: Enter a prompt such as "neon hotel sign" or "modern concrete branding."

4. Generate: Rendair will blend a new signage element into the existing perspective and lighting of the building.

Capabilities

Using Rendair for signage and branding allows you to visualize physical characteristics that 2D overlays cannot achieve.

• Material integration: Make logos look like they are made of steel, wood, neon, or concrete.

• Lighting interaction: Generate realistic shadows cast by raised letters or glow from backlit signs.

• Perspective matching: The AI automatically aligns generated elements with the perspective of the existing building.

• Style variations: Quickly test how a storefront looks with different types of signage (e.g., comparing a hanging banner vs. a mounted plate).

When to use this

• Retail and hospitality design: Visualizing how storefront branding interacts with the facade materials.

• Night renderings: Showing how illuminated signage affects the mood of the street level.

• Early concept phases: Roughly placing "dummy text" to show clients where signage locations are proposed.

• Material selection: Deciding if a building name should be etched into stone or mounted as metal letters.

Limitations or notes

• Spelling accuracy: Generative AI models often struggle with precise spelling. If you prompt for "Coffee Shop," the AI might generate "Cofee Shoop" or illegible symbols. It is often better to prompt for the object (e.g., "signage") and fix the text in post-production.

• Vector precision: If you require a specific corporate logo (like the Nike swoosh or a specific font), apply it using Photoshop after the rendering is complete.

• Complex typography: For long sentences or specific font families, traditional graphic design tools remain superior. Use Rendair to create the "canvas" (the wall or signboard) and add the text later.

• Content Moderation: Using 3rd-party logos without permission might trigger the content copyright filters and lead to errors.