Guide: Creating 3D-Render-Style Product Images with Nano Banana

Understanding 3D-Render-Style Product Photography

Traditional 3D product rendering requires specialized software, technical expertise, and significant time investment to create the clean, CGI-quality images that perform well in e-commerce listings. Professional 3D renders feature perfect lighting, flawless surfaces, and the precise control that makes products look their absolute best.

Gemini 2.5 Flash Image offers a different approach: instead of creating actual 3D files, it can transform regular product photos into images that have the visual characteristics of professional 3D renders. This means you get the clean, studio-quality appearance of CGI without needing 3D modeling software or technical expertise.

What You'll Need

Technical Requirements

• Gemini access with 2.5 Flash Image capabilities (available through Gemini Chat or Google AI Studio)

• Photo capture device (recent smartphone or camera)

Step 1: Capture Your Reference Photo Set

Essential Angles (Ideally 6 Photos but even just 1 would get you a result)

• Front view - straight-on product face

• 45-degree left - angled view from left side

• 45-degree right - angled view from right side

• Profile/side - pure side view

• Top-down - overhead perspective

• Back/bottom - if packaging has important rear elements

Detail Shots (2-3 Additional Photos)

• Label close-ups - fill the frame with logos, text, barcodes

• Texture details - any special finishes or materials

• Important features - caps, seals, or distinctive elements

Photography Best Practices

• Lighting: Use soft, even lighting to avoid harsh shadows or hotspots

• Distance: Step back to avoid wide-angle distortion, then crop as needed

• Cleanliness: Remove dust, fingerprints, and stray fibers before shooting

• File naming: Use clear, descriptive names like product_front.jpg, label_closeup1.jpg

Technical Tips

• Tilt lights off-axis for glossy or reflective packaging to reduce glare

• Use consistent lighting across all angles for better AI processing

Step 2: Set Up Gemini 2.5 Flash Image

Initial Setup

1. Access Gemini through Chat interface or Google AI Studio

2. Select Gemini 2.5 Flash Image from available models

3. Choose image editing/generation mode to enable photo uploads

File Upload Process

• Upload all photos together in a single prompt session

• Include both angle shots and detail photos for complete reference

• Verify image quality before proceeding with generation

Step 3: The Main 3D Render Generation Prompt

Upload your complete photo set and use this comprehensive prompt:

Create a high-fidelity 3D render of the product using the attached multi-angle photos as references.

Visual Style Requirements:
- Photoreal CGI/3D-render appearance with physically-based materials
- Professional studio lighting with clean, controlled illumination
- Perfectly clean edges and uniform surfaces
- No dust, scuffs, or imperfections unless visible in reference photos

Technical Specifications:
- Square format: 2000×2000 pixels, sRGB color profile
- Pure white background (#FFFFFF) with no props or horizon line
- Product centered and filling approximately 85-90% of frame
- Soft, realistic contact shadow (product should not appear floating)
- Export in two formats: PNG with transparent background AND JPEG on white

Critical Fidelity Requirements:
- Reproduce all label text and artwork EXACTLY from the label close-up photos
- Do NOT retype, redesign, or reinterpret any text elements
- Preserve accurate geometry and proportions from reference photos
- Match material finishes precisely (matte vs gloss, metallic effects, embossing)

Lighting and Camera Setup:
- Neutral studio lighting: soft key light from top-left
- Gentle front fill light to reduce harsh shadows
- Minimal specular hotspots for clean, professional appearance
- 50-85mm product lens perspective (avoid wide-angle distortion)

Reference Priority:
If any reference photos conflict, prioritize label close-ups for text accuracy and front/45-degree views for geometry.

Important: Start with this comprehensive prompt and refine in small steps rather than trying to perfect everything at once.

Step 4: Targeted Refinements

Make these adjustments one at a time for best results:

Edge and Silhouette Refinement

Refine the silhouette and anti-aliasing of all product edges. Keep colors, scale, and positioning exactly unchanged.

Shadow Optimization

Increase the contact shadow density by approximately 15% directly under the product base. Maintain soft shadow falloff for natural appearance.

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