最高の Midjourney Prompts for Product Design

このガイドは即使える形で構成されています：明確なMidjourney prompts for product designテンプレート、穴埋め式の文法、そしてすぐに使える10個のPromptサンプル。

Midjourney Prompts for Product Designとは？

定義: 製品の機能、形状、制約、素材、ブランド要素、撮影セットアップを構造化して記述し、Midjourneyが迅速に実用的な形状を探索できるようにするPrompt。

Prompt文法（このひな形をコピー）:

[Product] for [primary use], [key dimensions/form], [materials/finishes], [ergonomics & safety constraints], [brand/visual language], [camera/angle/lighting/background], --ar [ratio] --stylize [50–150] --seed [#]

初心者向け：シンプルな Midjourney Prompts for Product Design

必須項目だけでひな形を埋める

製品＆用途: “urban sling bag for 13″ tablet”
寸法: “max width 340 mm”
素材: “recycled Cordura, magnetic buckle”
安全性・エルゴノミクス: “padded strap, breathable back panel”
ブランド要素: “understated techwear”
カメラ/照明: “top-down lay-flat, soft fill light”
出力: “--ar 16:9 --stylize 100”

初心者用テンプレート

urban sling bag for 13 tablet, max width 340 mm, recycled Cordura + magnetic buckle, hidden zipper, padded strap, breathable back panel, brand language “understated techwear”, top-down lay-flat, soft fill, seamless background, --ar 16:9 --stylize 100

すぐ使える10個の Midjourney Prompts for Product Design

compact smart thermostat — aluminium unibody + glass lens, no visible screws, 3/4 hero, --ar 3:2 --stylize 75
fold-flat bike helmet — honeycomb EPS + polycarbonate ribs, side profile on white, --ar 4:5
modular desk lamp — CNC aluminium arms, magnetic joints, rim-lit on dark grey, --ar 16:9
minimalist pour-over kettle — gooseneck, cool-touch handle, backlit steam, --ar 3:2
wireless charger + pen tray — walnut base + anodised frame, top-down, --ar 1:1
trail water bottle — squeeze-friendly TPE, lock cap, hard sunlight outdoor, --ar 4:5
noise-cancelling headphones — silicone headband, memory-foam pads, three-quarter hero, --ar 16:9
EDC multitool — stonewashed titanium scales, macro detail, --ar 3:2
compact espresso scale — matte ABS, orthographic front, clean UI face, --ar 3:2
carry-on suitcase — polycarbonate shell, corner bumpers, airport bokeh, --ar 16:9