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41 | Keep AI Product Images Consistent: 4 Image Generation Prompt Designs for E-commerce, SNS, and note | Airi-chan⭐︎

あいりちゃん｜画像生成・イラスト・ポケスリ

Target Audience

  • People who find that the shape or label changes when generating the same product for different seasons or media

  • People who want to develop product images for E-commerce, X, note, and LP from a single design

  • People who want to organize examples into reusable prompt assets rather than ending with one-off results

What you will gain from this article

  • How to fix product characteristics as a 'Product ID'

  • How to distinguish between elements that can be changed and those that must not be changed

  • The sequence for developing from a reference image to seasonal, ingredient description, and media-specific outputs

  • Complete prompts for reference images that you can actually try

Introduction

Even though I want to increase the number of product images, every time I generate them, the bottle becomes thinner, the cap shape changes, or the label becomes something else. Even if the background is beautiful, they don't look like the same series when lined up.

This problem cannot be stabilized just by asking to 'make it more the same.' You need to separate the information that identifies the product from the information that sets the scene for the sales floor.

For these four examples, I used the same fictional serum bottle. The product side is fixed, and only the background, props, lighting, and negative space are changed. Yes, this way, it's not just a single success, but a system that can be operated.

1. Fixing the Product ID with 8 items

The Product ID is defined by the following 8 items.

  1. Outer shape: Short cylindrical, straight shoulders

  2. Body material: Low-gloss frosted amber glass

  3. Cap: Flat coral pink cylinder

  4. Label: Large, off-white rounded rectangle

  5. Ratio: Height relationship between body, shoulders, and cap

  6. Front: Same orientation with label visible

  7. Reflection: Keep it thin only on the outline

  8. Size within frame: Product height at 48% in the reference image

Color names alone are not enough. Even if you write 'amber bottle,' it may change into a long, thin dropper bottle, a round jar, or a transparent pump container. Only by grouping the shape, parts, proportions, and label position together does it become easier to identify as the same product.

2. Only 4 elements to change

Basically, there are 4 types of things to change in differential generation.

  • Background color and material

  • One small item

  • Light color temperature and direction

  • Direction of margin for headings

Even when you want to strengthen the seasonal feel, do not paste snow, flowers, or fruits onto the product side. Place evidence only on the background side. Petals for spring, water surface light for summer, dried leaves for autumn, and white fiber paper for winter. Within this range, the product remains the same even if the season changes.

3. Start with a reference image

The first image is not an advertisement, but a master for confirming the product ID. Reduce decorations and leave large margins.

Image

Complete prompt you can try for free

完全に架空の植物性美容液を写した、縦型4:5、文字なしのリアルな商品画像の基準となるマスター写真。温かなアイボリーのシームレス紙へ、短い円筒形で直線的な肩を持つボトルを中央より少し右に1本置く。胴は低光沢の曇りアンバーガラス、キャップは平たいコーラルピンクの円筒形、正面ラベルは大きな生成り色の角丸長方形で無地。商品高は画面高の48％、左側38％を後から文字を載せられる明るい余白として残す。

小物は根元の後ろに小さなくすみセージ色の葉1枚だけ。斜め上20度、70mmレンズ風。左上の大きな拡散光と右側の弱い暖色レフを使い、反射は輪郭だけに細く限定する。接地面には柔らかな影を残す。

後の差分生成で同じ商品を維持できるよう、輪郭、胴とキャップの比率、ラベルの位置と形を固定する。

人物、手、文字、ロゴ、ブランド、透かし、複数商品、既存商品への類似、CG・3D表現は入れない。

In the example, I took a large plain label and moved the bottle to the right. Because there is a left margin, it can be deployed to X headings, note titles, and short EC copy.

4. Grow the image in 4 stages

This prompt collection is not a list of 4 individual items. Use them in the following order.

  1. MASTER: Determine the product ID

  2. SEASONAL: Change the sales floor while keeping the product

  3. ATLAS: Separating ingredients and world-view into visual information

  4. PIPELINE: Safely extracting for X, note, and EC

If you skip the reference image and start with seasonal variations, you won't be able to judge which elements should be returned. First, get a plain image approved, then add the variations.

5. Confirmation after generation

Check the following 5 points side-by-side.

  • Are the bottle contours the same?

  • Are the cap height and diameter the same?

  • Are the label position, rounded corners, and margins the same?

  • Are the product size and camera angle the same?

  • Are the changes contained within the background, props, lighting, and margins?

If even one thing is off, don't redesign the entire image; just fix the items that are broken.

Summary

The trick to increasing the number of the same product images is not to repeat the same words every time.

Fix the product ID and shift the areas to be changed to the background side. Build them up in order from the reference image. Just by doing this, it becomes easier to keep the core of the brand even as the number of images increases.

First, try making one master with few decorations. If you proceed from there to seasons, ingredients, and media, your examples will become operational assets as they are.

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