最終更新日：2024/07/30
The helicoid is a curved surface that resembles a spiral staircase.
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The helicoid is a curved surface that resembles a spiral staircase.
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The helicoid is a curved surface that resembles a spiral staircase.
The helicoid is a curved surface that resembles a spiral staircase.
DiQt（ディクト）
無料
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