Brand Mascot Expression Sheet (Same Character, 9-Grid of Emotions)

【用途】幫品牌吉祥物畫一張「同一隻角色、多種表情」的九宮格表情表（character expression sheet），給小編做貼圖、社群回覆、客服頭像用，尺寸 [尺寸比例]。

【角色設定｜這隻角色每一格都要長一樣，不可走鐘】
角色：[角色描述]
造型重點（九格全程一致）：[造型重點]
畫風：[畫風]

【九宮格佈局】
3×3 等距排列，每格一個半身或大頭，背景乾淨單色、九格背景一致；角色在格中置中、大小一致……

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The most common pitfall in making a brand mascot is that every image ends up looking like a different character. The key to this prompt is pulling 'character design' and 'design highlights' out as their own fields, and repeatedly emphasizing in the hard rules that facial proportions and colors must stay identical across all nine panels — GPT Image 2's strong instruction-following handles this well, far more reliably than a single line like 'draw a cute mascot with various expressions.' It's a 9-panel grid rather than more because character consistency starts breaking down past that point; for more expressions, generate in separate batches, pasting the same character description into each. Rendering the emotion labels character-by-character relies on GPT Image 2's text capability, but the label text is small, and labels longer than three characters tend to blur — keep labels to two or three characters. The solid-color background is deliberate, to make it easy to cut out for stickers afterward.