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Nested spiral octagon
Fibonacci Clock
中華民國國旗 (Codex╱2026.10.06)
美國國旗 (Codex 版)
國旗 (作圖步驟直接餵給 Claude)

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三角形的邊長關係
圖解畢氏定理
填滿與旋轉
八邊形碎形
C60足球模型（弧线）

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Ratios
Addition
Cosine
Probability
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